Originally Posted by Doodlebop
@Kenny: I don't really think like it's ingrained in your brain or anything like that... And the animal thing, isn't it really just because that's the way the reproduce? I won't pretend I'm some big expert on the subject or anything, though...
This is why the studies are so fascinating. Admittedly the data about the brain sexual dimorphism was in the medical neurology course I took (in med school), so I can't say that this is 100%, but sure as heck it's a lot more valid than your own gut feeling.