the difference is I HAVE A FEAR GOING INTO WATER ,NOT UNDER lol...and yet ive spent hours alone in a rowing boat fishing on a huge lake,and no problem doing so ,and at the time no life jackets on ,I did have a good scare on Lower lough ERNE,just off Garison town years ago ....,took the kids fishing on a boat with a motor ,way out the weather changed ,winds picked up and we got f****d from hell to high heaven ,i turned it back and the 2 kids were screaming in fear with the boat being battered ,it was like being out at sea ,so i went close to land and gave the boat back and told him keep the hi