I'm not sure if they are innately manipulative or abusive, or if it's more like a "cornered animal" thing where the claws only come out when they are backed int

I'm not sure if they are innately manipulative or abusive, or if it's more like a "cornered animal" thing where the claws only come out when they are backed into a corner. I've seen some genuinely nice people who only turn vicious when their hoard is threatened, but I ascribe that reaction to their illness.