What is a short-summary for the story, The Beach Boy, in the collection, Homesick For Another World?

In “The Beach Boy,” John learns that his late wife Marcia had been visiting prostitutes during the island vacation they took just before she died. John goes intending to get revenge on Marcia. Instead, he almost drowns because he gets drunk and goes swimming. A male prostitute saves him, but refuses to have relations with him because John has no money.