"Lots of reasons," Lea said. "Some people just like the look of it, some of them want to get a sun tan, the swimming related reasons I mention, because doing things at the beach usually means doing things in the hot sun and having exposed skin makes it easier to keep cool, all kinds of things."

"And well, if you can't swim then that's all the more reason for you to get a swimsuit. That way I can teach you; there should be a spot around here somewhere where the water's quiet enough to practice in."