LOL, you are aware of the book 'Men are from Mars and Women are from Venus' arent you? IMHO neither men o nor women truly understand the other sex, we like to think we do, but dont.But don’t you think that’s the majority of the fun ? Learning all the nuances and foibles of said language
Learning about someone's likes, dislikes, little ways, etc is not imho 'learning their language'. But hey each to their own