I'm used to working alone. Frankly with some of the actors I've worked with, I've felt like I was working alone.
When you work alone, you need to socialize at some level.
You are not the same person working alone as you are in a group; in a romantic setting versus an educational one; when you are with close friends or in an anonymous crowd; or when you are traveling abroad as when at home base.
I may climb perhaps to no great heights, but I will climb alone.
Most inventors and engineers I've met are like me. They're shy and they live in their heads. The very best of them are artists. And artists work best alone.
The good thing about working alone is I get a lot done and I can experiment more. The bad thing is I miss out on the gregarious, social way that most musicians work.
Freelance isn't for everyone - you've got to be aggressive and enjoy working alone. But you could make more money than you ever imagined.