I think I'll try this
On this day you write a letter to:
Day 1: Your Best Friend
Day 2: Your Crush
Day 3: Your parents
Day 4:Your sibling (or closest relative)
Day 5: Your dreams
Day 6: A stranger
Day 7: Your Ex-boyfriend/girlfriend/love/crush
Day 8: Your favorite internet friend
Day 9: Someone you wish you could meet
