I have a couple jobs that give me paychecks in exchange for having a warm body there at a specified time. One has decent weekly tip-outs, which are more like weekly fun-money. I don't drink much alcohol, and usually don't need large amounts of other substances to get to the place I want. So even if I do spend a lot on drugs, I know it could be more. Also, I rarely buy anything unless its on sale or I've comparison shopped, or I just really want it...being thrifty allows for ridiculous sums to be spent elsewhere.
Dont incriminate yourself.
I've been without a job for several extended periods, and everything is SO much more stressful during those times.... why make it harder? I like having something to do that is also a guaranteed way for me to take care of myself financially.