When you get emotional, that interferes with your skill. It's harder to do something when you're agitated compared to when you're calm, that applies to everything really. If you're on a losing streak in a video game, it's better to just put it down and come back to it later when your mind is a bit clearer.

Damn, Adam Ellis has really stepped up his game (no pun intended) to the stuff he was doing over at buzzfeed, I'm happy for him.