I was a lifeguard for a few years, so I know a thing or two about what is really going up there in those tall chairs. First of all, lifeguards care about your safety, sure. But that is not actually their main concern. It is not why they are lifeguards. They want to sit up in a chair and get their tan on and check people out. It is, in many ways (if you are still living with your parents or receiving a stipend from your wealthy grandmother) a wonderful job. Lifeguards are fun to hook up with…