A worse situation: What if you ARE insane, it's just that this time it's not your imagination running wild, it's actually someone stalking you? People that have

A worse situation: What if you ARE insane, it's just that this time it's not your imagination running wild, it's actually someone stalking you? People that have some mental problem, whatever it is, have a much harder time since no one will believe them. It's always just "I know you are feeling bad right now..." even though the diagnose is ADHD or something else irrelevant.