Testosterone, namely. I talk about what I know. That type of thinking dismisses everyone as generic. We are all varied creatures with our own distinct traits however specific gender and sexual preferences have a common pattern. For me to talk outside of preferences that I do not understand is doing injustice to those that hold them.
Wow, actual advice that works gets down voted. This is a bit of irony but also tragic. The group that needs this type of advice the most, will not take it.