Why do people slow down and obey the speed limit for a few miles after they see that a cop has pulled someone over (be it for speeding, or whatever)? Isn't that the best time to speed? While the cop is busy with someone else?
Why is it that my daughter's coughing last night kept me awake but didn't seem to disturb her slumber one bit? How can babies cough in their sleep like that?
Why do my best friend's chocolate-chip cookies always taste better than mine even though we use the same recipe?