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!
But then people become dependent on the emotions, like drugs. Their bodies stop making their own emotions so they have to buy them in order to avoid apathy. A poor young man/woman resorts to selling emotions like a drug dealer<< awesome writing prompts
Writing prompt That's me. Im the nightmare emptier. The horrible things I've seen.who could be have such horrible dreams? The reason I am the one whose job this is, is because I cannot dream. I cannot dream nice dreams or terrible ones.
Interesting Writing Prompt -- a good friend that you grew up with dies, but a year after the funeral, no one remembers him (not even his parents) and all traces of his past life online are gone. You become determined to prove he existed.
Prompt - A double agent who goes by two aliases has been assigned by each country to kill his alias on the opposite side. What an easy way to retire! Just disappear and both sides will assume their guy killed the other!
writing prompt -- "At the end of time, the stars are burning out as they use up the last of their fuel. There is only one star left in the known universe, and all remaining life has gathered around it.