Men on Reddit were asked to answer the question, “What did you not know or realize until after living with a woman?” and some of the answers are hysterical.

Some of these guys had been raised by single mothers or had sisters but obviously living with a female partner adds of whole new dimension to the learning experience. Or in some cases, just living with a female roommate was all they needed to expand their previously narrow view of the female psyche.

Here are the answers from 65 different men. Note that several men came to the same realizations.