"The most effective developers simply won’t quit until a problem is solved. One reason I think programmers often stay up until 2 or 3 am is that it bothers us i

"The most effective developers simply won’t quit until a problem is solved. One reason I think programmers often stay up until 2 or 3 am is that it bothers us if something isn’t working. So we keep at it until we collapse." I've learned that this is not an effective way to tackle hard problems. Take a break, go to bed, take a walk.