National Public Radio had a story yesterday on people calling in sick when they really aren't. They asked and the expert gave some of the most egregious instances of people who didn't need sick time but called in anyway. One of those was someone who called in because they were searching for their horse who had gotten out. While it may or may not strictly qualify for sick time it seems that the expert engaged has never been a horse owner or never come to realize that things like that happen. In the last half-decade I've used about 4 sick days. Two of them came after spending all night up with horses and being exhausted.
It is always amazing how much perspective colors what is viewed as reasonable or unreasonable.