Earlier this year I refused to go to MIL's birthday because a) I was disgusted with her for having a party (in her house) with 100+ people in the middle of lockdown, and b) I wasn't going to put myself at risk.
Up to a few years ago, I would have gone and not said anything because I'd be worried that I might have upset someone, but they've all managed to upset me over the years and none of them gave a shit. My lovely FIL died a couple of years ago and I would NEVER have done anything to upset him because he was such a nice man. I think that's part of it too, the fact that he's not here anymore means I don't give a flying fuck how much I upset any of the rest of my in-laws and couldn't care less what they think about me.
If you could go anywhere in the world tomorrow, where would you go?