So instead of making horror movies where mental illness is used to motivate killers or exploit subjectivity ("Is it real, or are they crazy?"), let's make horror movies about how horiffic it can be to be mentally ill.
Bipolar is such a weird disease. Its symptoms are being happy, spending tons of money, wanting to fuck everything in sight, and persistant thoughts of suicide. Apparently, I am bipolar every Christmas holiday.
Me: Wow, I'm in the greatest mood.
My body: Then why don't I flood you with stress hormones for no reason so you can get stuck in fight-or-flight for days?
Me: Fu...
My body: I win again!
The only real novel-writing advice I have is be sure what tense you want to use early on, because changing the tense in in 80k-word document FORKING HURTS