Climbing/bouldering. As a not overly sporty nerdy type, I found this to be amazing. All the climbs are called problems and require you to think about how you’re using your body to solve them.
99% of the community is amazing because it’s not really a vs sports in a traditional sense. It’s you vs the wall and even if you do something that is ‘easy’ for someone else if they can see you tried hard they will be pysched for you.
There are lots of beginner groups and meet up days or if you go on regular days, you’ll end up talking to the same people about the climb you’re doing so you build friendship as an adult which is difficult otherwise.
Also it’s not in front of a screen which I love.
I’d try looking for your local gym and doing the intro course and seeing if it vibes with you.
If you have friends they will. Even with how you’re feeling right now, if one on them sudden had some horrific news and asked to just talk to/at you, you’d show up right? They’ll do the same. It’s great that you’re reaching out to people here, reach out to people in real life as well. It might not be perfect if they have other commitments, but I’m sure they will find time to help. Hell write it all down and DM me if that’ll help!