What do you think are some common reasons why men & women cannot get along in relationships today?

What do you think are some common reasons why men & women cannot get along in relationships today?
Updates
1 y
So, I’m looking for more specific reasons. Perhaps something (s) about what it is about being a man that conflicts with being a woman or vice versa. Also, differences in what men like or want versus what women like and want and how this may create conflicts.
What do you think are some common reasons why men & women cannot get along in relationships today?
Post Opinion