In addition to being a software engineer, I'm also a consulting hypnotist. (quietstrengthhypnosis.com) I find that the deeply interpersonal work I do with hypnosis makes a nice contrast with the deeply logical work I do in software -- they exercise two different sides of my brain, and when I get tired of one, I get more motivated with the other. I've also found that doing hypnosis has improved my ability to focus and achieve "flow" when programming -- "flow" is itself a trance state.

The work is rewarding, both on a financial basis and on a personal basis (I'm helping to improve peoples' lives). It was surprisingly simple to learn how to do hypnosis, as well -- it's mostly a matter of projecting a relaxing demeanor and being able to read body language. And it's a great conversation-starter!

If you're curious to know more, I'm happy to answer questions: my email is on my website. (Just let me know that you found me through HN!)