A lot of these things don't need to have a significant other, just can be general, while others are things to do with someone else

• Tall bookshelves overfilled with books - preferably cherry wood
• Watching a movie you hate just because someone else loves it
• Have a boy bring your shoes to you so you don't have to get them yourself
• Pet names
• Fixing a husband's tie in the morning before work
• Driving at night listening to jazz music
• Listening to Frank Sinatra at an Italian restaurant
• Soft summer breezes
• The offering of a jacket when it's cold
• Watching movie at night
• Just listening to music without doing anything else
• Collections
• Making Playlists associated with memories and seasons
• Meeting people after many years of not seeing them
• Picture frames
• Being able to keep up with my off-beat banter
• Being able to hold hands and argue at the same time
• Whilst driving a guy never lets go of your hand, even to turn. When he has to park or reverse he guides your hand on the shift. Mushy much?
• Grocery shopping at night
• Staircases
• Buying something for someone just because you know they'll like it, not for any specific reason
• Walking at night through a park
• Getting ice cream at night
• When guys have deep, sultry voices when normally speaking (I know it's not romantic, but in a certain way I find it to be so)
• When a guy orders for you at dinner, and gets the order exactly right
• Tension
• Taking a hot shower when it's dead winter outside and curling up on the couch under a blanket with a good book or movie