Men don't eat cat turds on the sly. Men open their own cans. Dogs have dog breath all the time. Men can do math stuff. Holiday Inns accept men.
Men are strong and like to lift things to prove it.
Men don't shed as much, and if they do, they hide it. It's fun to dry off a wet man. Both can eat 5 pounds of chocolate in one sitting. Both tend to have problems with their hips. Neither understand football.