I know you're getting a lot of unsolicited advice here, but I'd like to throw in my suggestion since you don't seem interested/capable of a lot of the suggested hobbies. I found myself in a similar situation in the past (health + geographical isolation) and becoming heavily involved and eventually and admin of a web forum was one of the best things that ever happened to me. I'm no longer involved, but it was a wonderful place with a really supportive community better than anything I've experienced in real life outside of college. If you find yourself on your computer for a large portion of the day anyway, it's a great way to make those hours more productive due to friendship :)