Oh my gosh! I didn't realize you were taking my story into consideration. Thank you! I hadn't even thought of his trauma. In fact, I've created his family and one of his traits is that he loves to swim.
Now having said that, in the books he's become very proficient in not only operating the boats but has become an
nexpert diver.
One day he was with his family, including his dog Finn, a golden lab. They were playing aroud in fairly shallow water when suddenly Finn took off, leaping over Alberto to attack a shark that was looking for a little Alberto snack. Finn saved Alberto's life but not without suffering some injuries of his own. He did recover and simply died of old age. There are 27 books in this series.