I am too hard on myself. I get extremely frustrated and down when I have troubles with things that used to or should be "easy". And I am really bad at not only punishing myself, but for ridiculously extensive periods of time. However, I rarely feel guilty when I am so overwhelmed and stressed that I need a break. Everybody gets to that point and I have managed to actually learn that I am more productive and a better person when I give in to needing some de-stressing.