Yeah, I know how you feel. If you don't have money, look for someone on Craigslist to do something interesting with.
When I was having one of my existential crisises in 2006-2007, I found another guy there who was into martial arts and we filmed goofy fight choreographies on weekends.
It may have been pointless, but it gave me SOMETHING TO DO, which was very important, and it made me feel like a human being that can be interacted with.