Who knows? Perhaps appearance issues - from being overweight to having sweat stains to not smelling nice to having too long fingernails. Perhaps interaction is

Who knows? Perhaps appearance issues - from being overweight to having sweat stains to not smelling nice to having too long fingernails. Perhaps interaction issues - not making any eye contact, making too much of it, taking down to people, sucking up to them, etc. Perhaps personality issues - odd sense of humor, lack of overall confidence, over-confidence, pushy / boring / quirky personality, etc. It can be anything or a combination of thereof :-| # That all said, I'd say the first impression you make and the overall confidence are the two most important things to pay attention to if you are looking to change things.