I just got back from Scotland where I had a great time driving around the west coast and visiting family. I swam with some seals in the Clyde estuary. It was cold. I got to about 30 meters from them, I had heard that they like singing, so I sang a sea shanty. I found out later that you should swim on your back and not look at them, then they come really close. At least that is what my Great Aunt Betty used to do, according to all my relatives, singing all the time.