I remain unconvinced he ever gets it back, but you could be right. I would certainly hope so.
If it gets bad enough to pull him into outright homosexuality or related paraphilia, this can raise the issue intensely enough to force him into seeking a solution. The solution can, in fact, be found within the bounds of small-o orthodox Christianity. And in the process, he will learn more things about God than most “normal” church goers ever dreamed about.