It is the quietest and meekest people who are often capable of the most sudden and unexpected violences for the reason that when their control does snap, it goes entirely. (Hercule Poirot)
Open your mind to what I shall disclose, and hold it fast within you; he who hears, but does not hold what he has heard, learns nothing. Beatrice - Canto V 40-42
At any rate, when a subject is highly controversial-and any question about sex is that-one cannot hope to tell the truth. One can only show how one came to hold whatever opinion one does hold.
We feel that our actions are voluntary when they follow a decision and involuntary when they happen without decision. But if a decision itself were voluntary every decision would have to be preceded by a decision to decide - An infinite regression which fortunately does not occur. Oddly enough, if we had to decide to decide, we would not be free to decide