First of all, to the original poster. There is nothing wrong with quitting or even stopping for a while. To take a completely different analogy, I know a fellow that used to be a very good restaurant investor, he would buy failed restaurants, turn them around, and sell for excellent profit. Then he got "hang up" on a particular deal, that dragged him down. From that point on, no idea what happened to him, but he just seemed lost, every deal he touched went nowhere.
He took maybe 6-9 months away, decided to stop, and look into something completely different (this is back in '03) ... he decided on real estate, with a very small portfolio of 300k or so ... and he built into a portfolio that worth maybe north of 10M even with the recent RE market corrections. Of cos he got a bit lucky with the recent RE boom, but he also moved on.
Trading is by far not the only way to make good returns. Even with a 60k stake, you can put in your time (and possibly your wife's time) and generate a decent return. Whether it is buying a burger joint (don't laugh, a relative of mine nets around 200k a yr running a burger place in LA), a boat dealer ship (which I indirectly knew someone that runs one that imports US powerboats to Italy) ... etc ... the world is full of opportunities.
My advice, take at least 2 months off ... since the house is paid for, and your kids have been taken care of, you won't have much day to day expenses. Heck, maybe take small vacation somewhere, get together in a reunion, whatever. The important thing is to get things into perspective, a step back if you will. and while you have time, look at every silly little deal that I am sure ppl have thrown you way ... just in the past month, I have been contact about ... "mining in latin america", "meta-search engine", "building school dorms", etc, etc ... maybe not to invest per se, but get used to the idea of looking outside of trading for a bit.