confidence is for marketing guys<p>you should make important decisions on the rational level, not the emotional level. You should weigh the risks and rewards in a rational manner, rather than running with what you feel. Feelings can be quite mercurial, and if you quit after you have a depressing weekend, or (sometimes worse) get in over your head and charge up lots of personal debit because you 'feel good' you can get in a lot of trouble.<p>Once you find that there is a positive expected return, keep making rational decisions.<p>But then, my start up isn't making any money, so what do I know?