Lots of other people have said running & friends, those things help me. But recently/now I am depressed and running 40 miles a week and seeing my friends regularly.

What’s a really cheap solution? Pirate some bibliotherapy books! Feeling good by David D. Burns is older, but I’m reading it right now and it seems like a really solid CBT book. I would also recommend “Adult children of emotionally immature parents”. It helped me understand why I am the way I am