I agree with the first two, but for me the latter doesn't produce much. I will literally get a shower if I'm working on a hard problem (and a walk is not conve

I agree with the first two, but for me the latter doesn't produce much. I will literally get a shower if I'm working on a hard problem (and a walk is not convenient). So many times I solve the problem, sometimes after having sat at the computer for hours trying to solve it.