Earlier quoted context omitted.
You still haven't actually answered the question of what "right" there is supposed to be. If a person is afraid that their fiance might have done porn in the past, or if they care so damn much, they should just ask the person.
If people were honest to each other all the time, we wouldn't need laws. Let's be generous and assume your question is just naive - could you ever envision a situation where an innocent husband-to-be (e.g. a nice, do-no-harm person and with reasonable means) is taken advantage of by a clever woman (with what is perceivably considered shady past in the given era) for her own material benefit? Do you think this never h…
but note: the "you" in that sentence isn't you. I'm not saying you are a fool. Then why did you say I was? "let's be generous and assume the question is just naive"
Again, you've never established a right. And there is also this horrible assumption or belief that once doing porn forever marks or stains you. Well, certainly some people believe that. But I do not, and I challenge it.