"A compartmentalized life"....another phrase from my close friend which encapsulates my existence.
It's interesting how I've learned to cope with it and become quite socially adept at the same time.
When I took the Dale Carnegie course many years ago, one of the first things I learned was to ask questions. It works exceeding well for a number of reasons, the main two being that people love talking about themselves & their interests - and, perhaps even more importantly, you learn a lot more when you listen than when you talk. As well, it eats up time & diverts attention from yourself. And that's important when a lot of what you've been up to isn't all that socially acceptable.
I've noticed that trait developing in one of my daughters over the last few years - and I'm sure the reason isn't genetic