A midlife crisis is the cause for:

If you answered "d," you are correct! We all know that the first two answers are no-brainers, but a recent article in the Guardian newspaper reported that growing numbers of divorcing couples in the U.K. are citing "midlife crisis" as a cause for separation.

"Midlife crisis" ranks second, just behind extramarital affairs, for reasons for filing and has risen from just 2% in 2006 to 14% for 2007.

Bonus fact: In 93% of midlife cases, the man was the one having the crisis. Surprise, surprise!