Insular, yeah. Hostile, not really. That said, I don’t mind seriousness being the default, and humor being clearly marked (to avoid Poe’s Law confusions).

Retiring? Or changing careers?

I don’t think I can retire right now. I hope you are doing better than I.

No.

I was a worse person with less stuff.

I certainly enjoyed myself at the time, but I there was a lot I didn’t (and probably couldn’t) know.

I’ve never been very creative, but I loved playing the flyswatter game inside Mario Paint.