I already have a story for this, though the kid is a girl and the imaginary friend is trying to pursue a romantic relationship (despite the feelings being one-sided/the fact that's impossible.) <<that sounds so sweet!
A Guide to Creating Interesting Fictional Characters
imagine someone covered with red tally marks meeting someone covered with scars, and getting another tally mark onLY THIS TIME IT'S BLACK <<Imagine what it physically feels like to get a black tally mark or a scarred one
When people read 18 they stop aging until they meet their soul mate so they can grow old together. You've been 18 for at least 20 years.<<<<<<<<<or you keep killing off your soul mate so that you may reign immortal
I came up with this really awesome idea yesterday (not the one above) and I wanna write about it so bad but it has no plot it's just a concept so I can't and it kills me and so if anyone wants to help me write a book about space dragons hit me up