Prophecy

Some people say yes, some people say no. Anyone who has devoted their life(or part of it) to living with some would better know their s/o's needs and wants better than someone who hadn't devoted their life to being with that person.
Ex: Who knows better how you feel about things: your mother and father or that elderly couple who live down the street.

Gender has nothing to do with it. Everyone is wired different as people have often said in this thread alone. All men and women know as a general rule men like to get head. There are women who can't give head to save their life and some that should get medals for what they do. I'm sure the same could be said of males.

Being the same sex as your partner does not automatically make you better suited to know what they want. You might have a head start at guessing what they would like because you have the same parts, but that's all.

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La Disciplina È La Mia Spada,
La Fede È Il Mio Schermo,
Non salti Ciecamente In Incertezza,
E Potete Raccogliere Le Ricompense.