It has been a fact that good looking people is more confident, be it in dealing with other people, public speaking, leadership skills and even in bed during sex.
Looking good does not necessarily meant that you must have the boy next door face of a celebrity, or the timeless beauty of a princess, to look good, one must be smartly dressed, simple but for the occasion, not over or under dressed, also one must be well groomed and most likely well taken cared skin, may you be light toned, tanned, or African-American skinned, of course you need to have confidence in yourself, not the show off type, better the humble type yet smart. Source for more about porn.
So when you are confident, you can easily land a job, or close business deals with clients and set your career path to a better course and climb up the corporate ladder easier and faster. When talking in front of your staff or even in a large group, they would listen to you attentively and have focus if you are neat and commands authority even just standing firm in front is a big difference.
When you go to bars or night clubs, you will be noticed easier if you have that aura and confidence, and even getting a hook up would not be a problem to you, and your performance in bed would also matter when you are full of confidence, even your dick is just average and not a hung, but then your partner would feel satisfied and well taken cared of if you know how to maneuver and make your partner feel the climax.
So you must learn from now on, how to look good and be a more confident person be it at work, in your bed or whose bed you might be in.