How old were YOU when you got spayed?

Our kittens got spayed/neutered last week.  That led to a lot of questions and discussions around here.  Some quotes that have been heard in the last week:

"What exactly are they having taken out?"
"Why is it called 'spaying' for girls but 'neutering' for boys?"
"What should we call Shadow's nutty sac now?  His nutless sac?"
"When did you get spayed, Mom?  Is that why you adopted us?"

This is how Shadow feels about the whole thing:

and Shiloh flipping me the paw: