Does modeling really have something to do with self confidence? Or does working off your looks make you pretty much the opposite of self-confident?

”It takes more than just a good looking body. You’ve got to have the heart and soul to go with it.” ~ Epictatus
Does modeling really have something to do with self confidence? Or does working off your looks make you pretty much the opposite of self-confident?
Did you know Victoria’s Secret angel Marisa Miller eats naked to lose weight?