 You know some people find a spot where they've been comfortable the whole lives in the water and then the minute they get taken Under it changes everything Swimming is one thing But then when you start applying gear and then the rescue scenarios where you know Someone's grabbing on to you and you're having to take them underneath the water and you're having to think clearly as well as execute You know like a head hold escape underwater and then when you come up you're exhausted But you still have to you know take a victim and get him to safety The physical exertion as well as the mental exertion that goes into that is pretty exhausting