The one I'm most familiar with is someone knocking on your door when you're having sex - Whether it's family or some idiot friend from college - And worse, after saying "not now!" they reply "But it's urgent, open the door" - I wish I could dress that fast every morning.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you