Men, what do you think is the most difficult part of being a woman?

This is just a curiosity question. I know what I think, but I wanted to get an a so called "outsider's" view point. What do you think is the most difficult thing about being a woman if anything. Surely you can think of something! Ladies. Ladies, follow this because this should be interesting. LOL!

Men, what do you think is the most difficult part of being a woman?
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