By Chronicle Books; I changed some of the pronoun language to be more inclusive.

• ✓ accept and enjoy yourself for who you are
• ✓ accept that good is good enough
• ✓ acknowledge others' kindness with a smile or a wave
• ✓ apologize to someone you've wronged
• ✓ ask "how are you" and really listen for more than "fine"
• ✓ ask someone what's bothering them, and then listen
• ✓ ask your partner about their day, listen
• ✓ ask your twitter followers or your facebook friends if there's anything you can do to support them right now
• ✓ bag your own groceries
• ✓ bake with your kids/family/friends
• ✓ be happy for somebody and tell them
• ✓ be honest, especially when the truth is wonderful
• ✓ be kind to yourself
• ✓ be mindful of saying "please" and "thank you" and "you're welcome"-- all day long
• ✓ be on time all day today
• ✓ be the first to apologize
• ✓ be understanding and truthful
• ✓ bring your own bags to the store
• ✓ buy a nice water bottle, so you're less inclined to buy plastic bottles
• ✓ buy double the canned goods and donate the extras at a food bank
• ✓ buy handmade
• ✓ buy organic
• ✓ celebrate other people's successes
• ✓ choose a glass of water instead of another coffee
• ✓ clean out your sweater drawer and take extras to charity
• ✓ clean up someone else's mess
• ✓ commit
• ✓ compliment a complete stranger
• ✓ compliment someone's new hair cut or shoes or hat, etc.
• ✓ cook dinner for your roommate, neighbour, or friend
• ✓ do a little dance and be silly
• ✓ do or say something funny that's sure to make a friend laugh
• ✓ don't eat meat today
• ✓ draw a portrait of a friend (all the better if you have no drawing skills)
• ✓ drink eight glasses of water
• ✓ empty the dishwasher before anyone in your house or office has the chance to ask you to do
• ✓ encourage somebody
• ✓ exhale
• ✓ experiment with a vegan or vegetarian meal
• ✓ floss
• ✓ forget everything else and focus on falling asleep
• ✓ forgive someone for a minor resentment that's been bothering you
• ✓ foster a kitten or puppy
• ✓ get a library card
• ✓ get some exercise
• ✓ get some fresh air
• ✓ give someone one piece of constructive criticism
• ✓ give yourself a pep talk
• ✓ go for a swim
• ✓ go to a friend's gallery opening, sports game, poetry reading, play... finally
• ✓ have a meatless monday
• ✓ help; don't ignore
• ✓ hold the door open for someone
• ✓ hold your tongue
• ✓ hug your child/friend for no reason at all
• ✓ invite a friend to a show and buy their ticket
• ✓ invite someone to join you
• ✓ keep your promises
• ✓ laugh louder
• ✓ learn about a new country or culture
• ✓ leave a big tip
• ✓ leave a nice comment, on your friend's blog, facebook wall, or twitter feed
• ✓ lend someone an article of clothing they've admired
• ✓ let another car take that parking spot, smile and wave
• ✓ line-dry your laundry instead of using the dryer
• ✓ listen
• ✓ look and listen
• ✓ look into the eyes of the person you're talking with
• ✓ look someone in the eyes and thank them sincerely
• ✓ make a baby laugh
• ✓ make a handmade card for someone
• ✓ make a special meal for someone you love
• ✓ make an effort to mend a rift in a friendship
• ✓ make art
• ✓ make someone laugh
• ✓ meditate for ten minutes
• ✓ offer to do someone a favor
• ✓ offer to give your loved one a massage
• ✓ offer to go on a walk with a stressed friend
• ✓ offer your car to a friend without wheels
• ✓ pay attention
• ✓ play a song you love as loudly as you want
• ✓ play hooky
• ✓ pray for others
• ✓ put yourself first
• ✓ quote your grandfather
• ✓ raise your arms high above your head and stretch the biggest stretch you can stretch
• ✓ read a classic
• ✓ recognize your coworker or teammate for something difficult or daunting they are working on
• ✓ recommend your favourite hole-in-the-wall place to get food
• ✓ recycle
• ✓ refrain from talking loudly on your cell phone in public
• ✓ reward yourself
• ✓ ride your bike
• ✓ say "I love you" to someone you haven't said it to in a while
• ✓ say good morning to your coworkers
• ✓ say hello to a stranger
• ✓ say yes
• ✓ see all you can see
• ✓ send a friend a thank-you note for being a good friend
• ✓ send a handwritten thank-you note
• ✓ send an uplifting note to a friend who might need encouragement
• ✓ set the road rage aside and let someone else merge
• ✓ share some good news
• ✓ smile at a stranger
• ✓ smile at kids or give them a silly face to distract them and give their parents a moment of reprieve
• ✓ smile when you talk on the phone, it makes your voice friendly
• ✓ spell-check and proofread before you send
• ✓ spend no money today
• ✓ start a birthday calendar to help you remember when to mail cards
• ✓ start a list of books you'd like to read for fun
• ✓ stop and look around
• ✓ stop obsessing over someone's who's wronged you
• ✓ strike up a conversation with the person working the cash register
• ✓ swap life stories with someone you don't know very well
• ✓ take a deep breath, now take two more, repeat
• ✓ take a long bath
• ✓ take a sibling out to a movie
• ✓ take a walk, looking as far into the distance as possible
• ✓ take out the garbage, without being asked
• ✓ talk about what you're grateful for
• ✓ teach someone something about another culture
• ✓ tell a friend they're beautiful
• ✓ tell a friend why they mean the world to you
• ✓ tell a joke
• ✓ tell a stranger their child is beautiful
• ✓ tell someone they are appreciated
• ✓ tell someone they have beautiful eyes
• ✓ tell the people you love "I love you"
• ✓ tell your parents you love them and appreciate them
• ✓ tip your barista
• ✓ treat yourself
• ✓ tuck your sweetheart in
• ✓ turn off your cell phone
• ✓ turn your telephone ringer off and appreciate some uninterrupted moments
• ✓ unplug all the appliances in your house that aren't being used
• ✓ use a funny word, like "wackadoodle" or "lollygag"
• ✓ visit a community garden
• ✓ visit your local library
• ✓ wait a beat before responding
• ✓ wake up thirty minutes earlier and get some exercise
• ✓ watch a classic movie you've always wanted to see
• ✓ watch the movie that your significant other wants to watch
• ✓ wave hello at a four-way stop, yielding to the other person
• ✓ when someone does or says something rude or offensive, assume they are having a bad day and respond with compassion
• ✓ when you are inspired to say something nice, say it
• ✓ wish your cashier a good day
• ✓ withhold judgment until the end of the sentence
• ✓ write a letter to your future self and stash it away to discover later
• ✓ write a list of things you're grateful for
• ✓ write a nice little note on the check to your server
• ✓ write a poem for someone
• accept a new friend's invitation
• add a few plants to your bedroom
• add a reminder to vote in your calendar
• add money to an expired meter
• allow everyone else to go first, all day
• ask a friend who seems down to go for a walk
• ask your grandparents about favourite trips they've taken or places they've lived
• ask your mother for one of her favourite recipes
• ask your partner about what they want to conquer next
• bake your favourite kind of cookies and share
• be a gentlehuman
• be a mentor
• be quick to apologize
• become an organ donor
• befriend someone new
• bless your interruptions as an opportunity to take a deep breath and smile
• borrow someone's car and get it cleaned
• brew the next pot of coffee at work or home
• bring extra coupons to the store and share
• bring your coworker a coffee
• bring your neighbour's newspaper to their doorstep
• buy a box of thank-you notes and birthday cards so you're always ready to mark an occasion
• buy a bunch of flowers on your way to work, give each one to a colleague you appreciate
• buy a coffee for the person behind you in line
• buy a plant for your desk
• buy a present for a friend's beloved pet
• buy lunch for a homeless person
• buy someone an ice cream cone
• buy two books-- one for you and one for a friend
• call someone and tell them you were thinking about them
• call someone in your family just to tell them that you're thinking about them
• call your busiest friend and insist on helping with one thing they need to get done
• call your mother and tell her something you loved about being her kid
• carpool
• carry a bunch of balloons, watch heads turn
• carry a safety pin in your bag-- someone will be so grateful you have one
• change your lightbulbs to compact fluorescent lightbulbs
• choose the longer walk home
• close your ears to gossip this week
• compliment someone over seventy
• create a scrapbook of memories for your family or friends
• deliver something small and sweet to everyone on your team-- midafternoon when everyone's energy wans
• designate yourself an ambassador to your town and vow to offer directions to anyone who looks a little lost
• don't double-book yourself
• don't interrupt anyone today
• don't take offense
• donate a little bit of money to aid disaster-relief work somewhere in the world
• donate blood
• donate books to a local school or university
• donate old eyeglasses
• donate to a charity that benefits animals or children
• donate your ponytail after a haircut
• draw a hopscotch grid on the sidewalk and watch how people will enjoy feeling like kids again
• dress fancy or with a flourish today, turn heads
• drop a meal off at a sick friend's house
• eat your next meal in silence (away from the computer)
• encourage a colleague to take some much-needed time off
• establish a tradition
• establish an emergency plan with your family or friends
• figure out how to print double-sided
• fill the printer with paper so it won't run out on the next person
• find a book on tape or a podcast that will amuse you while you commute
• find out how your dad proposed to your mom
• find two days this year when you can donate your time
• find ways to help others avoid embarrassment
• frame a family photo and hang it on your wall
• give a homeless person a clean blanket
• give an anonymous donation to a person or family in need
• give credit wherever you can
• give money to a street performer
• give people the benefit of the doubt
• give someone a wink
• give up your seat on the bus or train for someone who seems tired
• go out for coffee with a coworker you don't know well
• go to an independent movie, bookstore, or business
• hang a bird feeder to support the local avian population
• have a glass of wine ready for your spouse whenever they arrive home from work
• have a lights-free day, complete with candles at night
• hide some money in the pocket of a coat that's for sale
• hold the elevator door, even if it will delay you
• if you're thinking about donating money, ask a friend to contribute and increase the impact
• instead of ignoring someone's pain because you don't know what to say, send a small gift card
• invite a friend to dinner, then bring it to them at their house, then clean up
• invite an acquaintance out for coffee
• invite your neighbour to dinner
• join a team
• join or start a community garden
• kiss the cook
• knit or sew a gift for a new baby
• learn how to change a tire so you can do it yourself or someday help out a stranger in need
• learn how to say "thank you" in other languages so you can thank people in their native tongues
• learn your local barista's name and use it
• leave a bookmark in a book you've borrowed
• leave a bunch of extra change near the jukebox, at the laundromat, or by the vending machine
• leave a favourite book on a bus or train seat for the next passenger to enjoy
• leave a treat on your coworker's desk
• leave an umbrella in a public place for someone to use
• leave flowers for a stranger
• leave flowers on the statue of someone you admire
• leave some homemade cookies at your neighbours door
• leave someone a handwritten note to "have a good day"
• leave your change in the vending machine for the next person
• leave your mail carrier a thank-you note for delivering your mail every day
• let a stranger know if a button is undone or has something in their teeth
• let it go
• listen to a radio program while doing nothing else at the same time
• listen to a solicitor's whole pitch, even if you're planning to say "no"
• listen to your heart
• mail homemade cookies to a friend
• make a donation to a friend's favourite charity in their name
• make a really fancy and complicated dessert and send it to a friend as a surprise
• make a special treat for a friend with food allergies
• make signs for the trash, recycling, and compost so it's clear what goes where
• make time to visit an art museum
• make up a story and tell it to a young person in your life
• make up your own family holiday to celebrate
• master a family recipe
• mow your neighbours grass along with your own
• offer a glass of water to the meter reader, appliance repairman, or delivery person at your home
• offer to babysit so new parents can go out to dinner
• offer up a foot rub
• offer your respects, always
• organize a clothing swap
• pack a spontaneous picnic and go outside with your family
• pack extra lunch for a coworker
• pay for a strangers meal at a restaurant
• pay for someone behind you at the lunch counter
• pay for the car behind you at the toll booth
• pick up the tab
• plan a birthday party for a friend, make it memorable
• plan a party, invite someone new
• plant a seed
• plant flowers where someone else will enjoy them
• play freeze dance
• prank call a friend when you know they are bored
• print and frame a good picture you've taken of someone and give it to them
• propose a game
• push the boundaries
• put a little cash in your savings account
• put a love note in a loved one's lunch
• read more about a cause you are interested in
• record a message or video and send it to one of your grandparents
• return a long-overdue phone call
• return all of the items you take to the dressing room to their original spots instead of leaving them in the dressing room
• return that book, movie, or dish you borrowed from a friend... three years ago
• run a little fundraiser for someone who is struggling with an expense
• say "gesundheit" when a stranger sneezes
• say a blessing out loud for one thing you're grateful for
• say hello to strangers, especially the elderly
• say something nice to someone who has wronged you
• schedule your annual physical
• scroll through your phone and call the person you've known the longest
• send a card and seeds to a neighbour whose garden you admire
• send a card to a coach or boss to whom you are grateful
• send a friend a beloved book from your shelf
• send a note to a favourite teacher telling them the best thing they taught you
• send a sibling a reminder of childhood
• send one of your grandparents a photograph
• send your mom flowers for no reason
• serve food at a food bank
• set high expectations
• share a family recipe
• shovel the snow off your neighbours porch
• sign up for a run or walk that supports a special cause
• smile at a meter maid
• sneak a note into a friend's bag, wallet, or drawer for them to discover later
• sneak over to a friend's house and plant bulbs to surprise them next spring
• stand on a corner with a sign that says "you are perfect"
• start a composing program at your building, school, or home
• start a family tree
• start a recycling program at your building, home, or school
• stop and pet a dog and say hello to the owner
• stop swearing
• take a yoga class
• take an unpopular stand for something you believe in
• take off your cranky pants
• take your dad out for lunch
• take your grandmother out for a fancy cocktail
• take your neighbours trash bins in off the curb
• take your partner out to lunch on a workday
• tape a coupon to a product at the store
• teach a child five new words
• teach a kid a funny joke
• teach someone one of your skills
• tell a family member why you appreciate them
• tell a relative what you admire about them
• tell a stranger they are being a good parent
• tell parents when their kids seem well behaved or smart or nice
• tell the story of the person you are named after
• tell your colleague they are brilliant
• tell your dad about something you're so glad he taught you
• tell your dad your favourite memory of him
• tell your dentist you appreciate them
• tell your mom one thing she's always done right
• tell your mom your favourite memory of her
• tend to an elderly neighbour's garden
• thank someone for something you usually take for granted
• thank your bus driver for delivering you safely to your destination
• thank your trash collectors and tell them they're doing a good job
• think big, and then think bigger
• tuck an origami heart into the windowsill of a bus for someone to find later
• visit an animal shelter
• volunteer
• volunteer at an elder care facility
• volunteer to read books to little kids
• walk around your block and pick up some trash
• wear something your mother gave you, even if you hate it
• write a letter to a politician about something they are doing right
• write a letter to an author you admire
• write a letter to someone who has changed your life and might not even know it
• write a postcard to a long-lost friend
• write a song for someone
• write down everything on your mind, take a step back so you can get a fresh look