Is it normal, to have anxiety from socializing?

Sure. I know I do, and other people I know do also. I can’t socialize more than 2–3 hours before I need a break to get my energy back. Socializing and the resulting anxiety wears me out. There have been times, even recently, where I haven’t left home for weeks because it was just too anxiety-producing.

Yes, it’s common.

There are also degrees of anxiety. For example, I’m not anxious or nervous in the social situation, but I don’t particularly enjoy it. A psychologist might ask if I don’t enjoy it because I’m anxious. But I’m not sure that’s it