Research by accident

One day backstage in the ’30s, Larry, Shemp, and Moe were playing cards. 
Shemp accused Larry of cheating. After a heated argument, Shemp reached over and stuck his fingers in Larry’s eyes. Moe, watching, thought it was hilarious…and that’s how the famous poke-in-the-eyes routine was born.

Here is much more, via Craig Newmark.  If you have any evolutionary biology "just so" stories as to why women don’t like The Three Stooges, I’d like to hear them.