After a man is out of his teens - usually before he's out of his teens - a man knows not to ask "is my cock the biggest you've ever seen?" Or any question that is similar.
It's not really the laughter. Men like it when they make women laugh. It's just hard to believe her when it sounds like "snort, hahaha, bahaha, no, snort, giggle, hahahahaha, it's really, bahahahaha, snort, giggle, quite big, bahahahaha." Only a masochist asks any woman, ever again. It's one of those questions that you don't want the answer to.
I've also learned not to ask "was that good for you?" The answer you don't want to hear is "oh, are you finished already?"
Every boy, as part of his sex education class, should be told which questions to never ask. Along with a list of the questions that he should never answer. Answering when she asks "is she pretty?" never goes well. Nor does "am I looking fat?"
Such is my public service message for the day.
The place that this instrument goes, can handle what a man has.