I remember someone quite a while back theorizing on why most Muslim suicide bombers are young Sunni men. He thought it might have something to do with the fact that Shiites’ attitudes toward premarital and extramarital sex are more liberal than those of Sunnis. With the prospect of being rewarded with 72 virgins in the afterlife, it’s somewhat easier to understand why they’d blow themselves up.
So, in short, young Sunni males are strapping on explosives because they ain’t gettin’ any.
I bet those Muslim suicide bombers are going to get to the afterlife and find out their 72 virgins are other suicide bombers!
Here's what those virgins look like: 