When I was in high school I took swimming lessons at the YMCA. As you improve you move up classes and eventually reach the "shark" level. Being hung with trunks on already is difficult when the fabric gets wet and clings to your body. However, A Speedo leaves nothing to the imagination. The guys already knew of my mighty appendage from showering, but most of the girls did not have a clue. The first day with a Speedo was quite revealing as I got numerous blatant stares and a few comments from the opposite sex. My male instructor noticed the commotion and told everyone to ignore me and focus on swimming. Eventually I became comfortable enough to openly walk around and be proud of my bulge. There is nothing like legally displaying your goods for girls and their mothers.