On average, guys are more hairy. You know that "stuff" between the legs? With ladies, it's an "inny", but with guys, it's an "outty". Your average also tend to have a deeper voice. Seriously, probably everyone would Married mature wants love rich woman looking for company have a different answer for you. One thing is that feminine energy tends to be different in bed than masculine energy (not all the time, but usually). It's really hard for me to put into words what that difference is. In my experience, sexual roles are sort-of perscribed for you in a hetero encounter what sexual activities and roles you'll be doing are generally assumed beforehand. With two men, it's sometimes a matter of non-verbal negotiating/figuring-out during foreplay. I'm boiling this down to extreme generalization being that I've experienced at least one woman who was very "masculine" in bed and a number of men who seemed very "feminine" in bed. Everyone is different, but I can just say that being with a tends to include differences beyond the purely physical.