Writers need to know about personality disorders if they are going to write about them. These are brief definitions of patterns of behaviour. Do lots of research before you give a major character one of these disorders.
The semicolon is used when a sentence could have ended, but didn’t” If you have ever self harmed, been depressed, or attempted suicide, you might want to be part of The Semicolon Movement. It helps serve a a reminder that your sentence doesn’t have to end, and you don’t have to end it.