Color of the skin, the size of the penis do not matter. Who fucks better? Regardless of fantasies, it's the one who knows what to do in bed with his partner regardless of the endurance but the committment. Some women are done faster than others, they have fast or slow orgasms. So what is relevant here is to focus on the pleasure of your partner to create a sort of rotation that starts with her, once she has orgasmed you may think about cumming. That's the mechanism. Some consider that banging a pussy for hours is a genuine evidence of a good sex. That's nonsense. What matters for a woman is to feel considered by a man who has the talent, the affection, the consideration to send her to cloud nine, someone who does not focus on his own pleasure. When you consider that your woman is not just your sex toy object, your fantasy then you can tell that you have learned how to fuck better.