The whole psychoanalytical establishment in America at midcentury was geared to make people with homosexual proclivities feel like monsters, moral degenerates.
When I was a kid, going to Universal Studios, which was all I wanted to do, all the time, there was a show that was all the monsters, and I loved that show. I was obsessed with Dracula. I was obsessed with Frankenstein. I was obsessed with the Wolfman.
There often is a dark secret in books... There is often a gathering sense of dread; there's a gap sometimes in the text from which all kinds of monsters can emerge.