Well, I agree with you Didascalia, but for your choice of the word “struggle”. Celibate men and women (blanket statement) will always struggle with their celibacy, unless they are born asexual. It is natural.
Now if an individual finds “I wish I had had children instead of taking up celibacy” then clearly it was not right for them. But just recently I read in a vocation magazine an article by a nun who said “let’s be honest, the sex drive never goes away entirely!” and also questioned what it would have been like to be a mother. But, she says, she is sure her choice was right and despite whatever struggles were involved, the rewards were far beyond.
The same subject was discussed in the Monk and the Lama, a dialogue between a french abbot (now bishop) and a Tibetan lama. They both spoke of sexuality being persistent, ultimately coming to a lull with time, but existing vestigially (if I remember well enough, it was something like that).