Joe many years ago when I was first appointed an elder a older elder told me those who are supper righteous and talk about certain sexual sins all the time are guilty of it. I found that to be very true through the years.
When I was 15 I came under the wing of a young, charismatic elder in his early 30s. He was married and had two young children.
There was a Bible study who apparently had a very jealous husband. No men were allowed to visit when he wasn't home. This elder told me that it was certainly because the husband was a cheater and feared his wife was the same way. "El que debe teme" he told me, which is Spanish roughly for "if you have something to hide, you have something to fear." I thought it was an incredibly wise observation.
It turns out this elder was cheating on his wife and had first-hand knowledge of the topic. He was discovered a few months later and was disfellowshipped.
It made me think back and realize that he was incredibly obsessed with sexual matters. He went so far as to state during a talk that two people who aren't married should not dance together (he received a lot of push back on that because there wasn't anything in the literature to support that and it was common in my area for single people to dance during weddings).
He would often tell me about his past sexual exploits (in great detail) under the guise of helping me understand how much better off he was now as a JW. In short, the guy was a horn dog and couldn't keep it in his pants. And his personal experience colored the view he had of others. He didn't think others could control their impulses either, so he became obsessed with pushing through puritanical measures to control the congregation.
It's clear as day to me now, but it wasn't back then when I was still a teenager.