From here!

• The date
• Your itinerary
• An inside joke
• Your trip highlights
• A recap of your day
• How much you miss them
• A nice memory you have with them
• Lessons you’ve learned on your trip
• Something that reminded you of them
• Interesting current events in the city you’re in
• Write a clever poem (bonus points if it rhymes)
• The most delicious (or strangest) food you tried
• Interesting facts and stories about the destination
• Travel tips they can use if they ever visit the destination
• How the local people live differently where you’re traveling
• A vivid description of your surroundings (or better yet, an actual drawing!)