A guy who is not masculine will bring out the masculine qualities in the girl he’s with. As a result, she will subconsciously resent him. She has to be strong, take the lead, and be assertive. She can be very good at it. But she wants someone who lets her be feminine.
Women are happiest in the presence of positive masculinity, because it is there that they can most safely be feminine.
Even being uncontrollably aggressive is actually not a positive masculine quality because it is uncontrolled. In the presence of this a woman needs to know how to defend herself, stand up for herself and be in control of her emotions. She must be masculine, she cannot rely on him