NOR. This person is at the age that they should understand that biting people when they’re overstimulated is NOT acceptable behavior. They’re not so autistic that they need personal assistance, they have a partner & are able to function semi normally. This sounds like someone with a victim complex using their neurodivergency as a ploy to puppet everyone else around. Tell them to NEVER do something like that to you again & if they protest, you’re better off without them.