The reason that woman are not given the right to do as much things, or men aren't given the approval of certain things are just because of how they grew up.
He is told from a young age not to show emotion.
She is told from a young age not to kick a ball.
He is told to not sing in public.
She is told not to sit with her legs open.
He is told not to cross his legs.
She is told to be clean.
He is told to be muscular.