Regardless of whether someone has one or not, negotiating the ins and outs of romantic relationships are huge part of being a teen. It's one of the last great unknowns for kids, so they tend to obsess over them and that obsession helps sell books.

Besides being too close to a structure?

The shower arm/pipe that comes out of the wall is usually screwed into the plumbing. You could try unscrewing it and resealing the connection with teflon tape.