I'm in a similar situation. I haven't left work and can't afford to but came very close to quitting even though I had nothing else to go to, just because it was making me sick and so stressed.

I still plan to leave but now am at a point where things are more manageable so I have time to plan what I'll change my career to. Whereas 1-2yrs ago, I was feeling very low, totally tired all the time, quite depressed etc.

Here are my 2 cents and what helped me:

• Try and find a girlfriend, online dating can be useful. Failing that a female travel partner. This is a big one and made a huge difference for me. The first girl I meet was really not right for me, I mean we had nothing in common but it didn't matter. It's all experience. I regret now not taking opportunities to meet girls earlier when I could have, just because I was scared.

• Travel is good, yes your problems will be with you but you will be seriously distracted, forced to look at new things, experience new things and gain new perspectives. I personally don't think it matters where you go. If it were me, I'd go to a few different places with a rough idea but try to avoid planning too much (like me, that probably goes against your nature!).

• Give the computer a break.

• Exercise is all good and necessary but not the key in itself. Though I can reccomend surfing - I started to learn and even though I totally suck, there is something about it. The message is: if you can find a form of exercise you really enjoy, so much the better,

• Don't be afraid to party sometimes, perhaps you don't have the sort of friends to do this with right now. But if you get the opportunity to go out, have a good time and get drunk do it (occasionally).

• Meditation: yep, mindfulness. Try getting some books on Zen, Adviata or by Krishnamurti.