Okay, talked about it over dinner.
Her opinion is quite similar to mine, although she notes that a big variable stands on the type and quality of relationship the individuals have, specifically the man/woman (as a couple), man/man, woman/woman and parent/offspring.
The typical masculine characteristics ( strength, pride, autonomy) have to bilance with the general feminine ones (empathy, emotivity, provider/seeker of comfort) in the axis of the relationship.
Let me elaborate: every relationship has a dominant element and a submissive element. That's common knowledge. What is not very known, is that this kind of equilibrium tend to shifts in actually healthy relationships.
Masculinity and femininity don't actually establish the dominant and submissive elements of a relationship, but the way they relate to the personality of the invidual it's a big factor in establishing said roles in the different situations.
If an element is always dominant and the other always submissive, then it's a good 80% the relationship is not healthy.