If you have to tell others what you're like as a person then you are the exact opposite.
Alphas, tough guys, ladies men, and so on are and everyone knows it because they see it. If you have to tell others about how you're a tough guy then you're really just a ***** because you need to convince others your tough.
Me, I don't look tough. I was cursed with a youthful appearance so I don't look threatening. But I was also in the rangers so I know what I am. But I don't try to convince others of what I am. I don't need to shake hands like a vice, I don't have to be loud or aggressive or anything else because I'm confident in myself.