LifeKit did an episode on this recently. https://www.npr.org/2026/01/06/nx-s1-5667582/how-to-build-a-...

Some things I do: I organize a monthly brunch for friends. I try and grow it, invite people I've recently met.

If someone asks me to do something, I try and do it. Get invited to poker night, I'm there. Asked to play Fantasy Football, yep! Even though I don't watch football and have never played.