Not really insight, more like empathy: You look like I feel, and like a great many INTPs feel, even the ones who get on here and bluster.
Here's an insight: If you just act like you belong, people think you belong. Really, it works. That has gotten me into some really interesting places in my journalism career. :-) I've mastered the technique to the point that often people come up to me at stores or museums because they think I'm on staff. And really in my head I'm in exactly the same position you were in your photo. :-) Bluff: It really does work.
Check out the thread, I posted a 1967 photo. It's a hoot. :-) Turnabout is fair play, many others opened themselves up and felt like an oyster waiting for the lemon juice to hit, my turn.