I had a very similar experience when I moved to the bay area. Since money was tight I used "extra" work to earn money for 'fun' stuff. A simple weekend here, a few days there, kind of thing. And of course it got bigger and bigger as people asked for more and more stuff. And one day I realized the stress of not having anywhere in my life that was 'not work' was really getting to me. I wrapped up everything, handed the big project that had pushed me over the edge off to a friend, and switched to only self driven projects (mostly freelance writing) as my 'beer money' supply. I found that for me, it was important that if I chose not to work on my side project the only person it should impact should be me. And that removed the stress for me.