Men and women aren't that different. Differences between individuals are much more pronounced than inherent ones related to gender. That being said, the way that they are socialized is entirely different, and that can't be discounted. It's something that has been well studied and document in scientific ways.
Gender Indoctrination Begins At Birth
Children are exposed to norms and stereotypes right from the beginning
"Media exerts a lot of influence in maintaining gender norms and stereotypes, beginning in childhood, and continuing throughout life. “One study we looked at found that the more TV children of both sexes watched, the more likely they were to believe that “boys are better”. For little boys, watching television appears to reinforce their already positive self-regard, while for girls, watching television appears to dampen it. This is concerning given that there are more than twice as many male characters as there are female characters on kid’s TV shows.” (2)