Have you seen any of those people since? I've had a couple of interactions with people as an adult that I wasn't too keen on earlier in my life, and it went okay but I could definitely still feel a bit of unease and awkwardness.
Yeah I saw one of them last year in February, right before the pandemic broke out. It was at a common friend's birthday party, the latter didn't tell me that guy was coming because he knew I would have probably skipped the party not to see him. I managed to avoid him all night, then I pissed on his car the next morning when I left. I was mad at him because we got into a fight at a party back when we were 18, so he got into my car during the night (I had forgotten to lock it, it was parked in the garden where we were all partying) and spilled a beer on the seat.
So pissing on his car felt like retribution.