[ He really means it as, the only other chick he knows aside from his sister, isn't good looking. You're pretty, why are you doing a man's job. SOB. ]

Female Knights in Westeros are very rare. Very few women take up sword or learn to fight at all. It is considered to be quite unseemly. Which is why it is surprising to me that in your realm women are allowed so much privileges.

[ He doesn't quite actually get how chauvinistic he sounds. ]