2. Body language
Related to the previous point, body language says much more than words. Whether you are confident or not is easily displayed with your body language. He may be short and ugly, but walk like he owns the place he is in. The way you use your physical characteristics talks about how you leverage your own resources. It shows in the way of walking, standing and relating to other people. Talking while making eye contact, smiling, standing straight, keeping your body language open etc. are some of the ways impress a girl when you first meet.