On the one hand, I can think fairly deeply. Yes, I do regard that as a positive quality. And yes, a lot of social interaction gets in the way of that. ("Interruptions shatter mental momentum" - I forget who said it, but when you're trying to think deeply, it's really true.)

On the other hand, I need human interaction - maybe not as much as most other people, definitely not all the time, but I need it. I need to be able to be a person, not just a thinking machine.

So maybe I'm "unsocial" without being "anti-social"...