It's called "being indifferent." Meaning: it's not that the biggest Don Juan's don't have emotions; it just means they don't let women be the thing that controls them.
Men that are looking to validate their egos will always have their emotional states tied to whether or not women like them. If you live your life that way, you'll never be happy. Women are an emotional rollercoaster, and if you fall into the trap of riding that rollercoaster with them, you'll never be fulfilled. You have to be fulfilled within yourself, knowing that your life will be great regardless of if you have a woman or not. This is why it's important to focus on your own goals and your own happiness. Ironically, by doing this you will become more noticable to women, who will want to enter into your world as a result.
