You must write about the following:
Day 1 - Your best friend.
Day 2 - Your crush/lover.
Day 3 - Your parents.
Day 4 - Your sibling/closest relative.
Day 5 - Your dreams.
Day 6 - A stranger
Day 7 - An ex boyfriend/girlfriend/love/crush.
Day 8 - Your favourite internet friend.
Day 9 - Someone you wish you could meet.
Day 10 - Someone you don't talk to as much as you'd like to.
Dat 11 - A deceased person you wish you could talk to.
Day 12 - The person you hate most/caused you a lot of pain.
Day 13 - Someone you wish could forgive you.
Day 14 - Someone you've drifted away from.
Day 15 - The person you miss the most.
Day 16 - Someone that's not in your state/country.
Day 17 - Someone from your childhood.
Day 18 - The person you wish you could be.
Day 19 - Someone that pesters your mind - good or bad.
Day 20 - The one that your heart the hardest.
Day 21 - Someone you judged by their first impression.
Day 22 - Someone you want to give a second chance to.
Day 23 - The last person you kissed.
Day 24 - The person that gave you your favourite memory.
Day 25 - The person you know that is going through the worst of times.
Day 26 - The last person you made a pinky promise to.
Day 27 - The friendliest person you knew for only one day.
Day 28 - Someone that changed your life.
Day 29 - The person that you want to tell everything to, but too afraid to.
Day 30 - Your reflection in the mirror.
I retrieved it from here, who retrieved it from here.
Wish me luck.