At the time this post is released my wife and son will be boarding a plane headed to Florida before boarding a cruise ship for a week-long adventure to the Bahamas. While they are gone I will be filled with mixed emotions. This is my son’s first cruise, and he and Marcie will be joined by my mother-in-law, sister-in-law, brother-in-law, and his two kids. I will be home taking care of the dog. My father-in-law is doing the same, and working like me. I am driving them to the airport Sunday morning and picking them back up the following Sunday. So why the mixed emotions? I began my swimming career when I was 7 years old. I took swim lessons and eventually joined a swim team. For the next 11 years, I swam competitively and I became good at it. I eventually ranked one of the best in the state in the 50 freestyle (think of it as the 100-meter dash in track) and also for the 100 backstrokes. So what does this have to do with a cruise? One major aspect of a cruise has always been...