Just the one. Married and she's pretty good at it. I act like Al Bundy, like I don't wanna and she tries so hard. Its satisfying.
However, back in college, I did score 13 in a month. It was awesome. 3 of them were just friends who were loaded and curious.
Keep in mind, I went to an Arkansas college, in a dry county, early 90's, with little else to do but smoke weed and screw. Sometimes we went to class.