I'm loud when I know you, and quiet if I don't.
I play video games too much.
I study Astrophysics. It's super fun and I like to study things that make my brain hurt so that when I look at them years later I can say "Stupid David, finding the relativistic limitations of a clock in any inertial reference frame is ez pz."
Half of what I say is from TV, movies, or video games, but I'm very much my own person.
I like gathering attention if it means entertaining my friends. Yes, that means that if you high five me and I feel like it, I will high five someone else. They may be the person sitting at the table next to me in a restaurant. I always get a high five out of strangers, especially if I know it'll make you laugh.
If you want to know what my comfort level is in public, all you need to know is that I was in (and probably will reappear in) a Rocky Horror Picture Show shadowcast. I hope that doesn't scare ya off.
Basically, I exist to learn and to make people laugh.