Sex talk is most of the time nothing but talk. There are things that men cant say to their wives just because they know they wont appreciate it, besides SOMETIMES is more fun to talk about it with strangers.
Then again there is sex talk, like talk about sex and what you sexually like and then there is sex, actual sex thru emails, txt and etcs. which although is not the real thing, is something you should do with the person you are with.
He obviously is not happy with you if he thinks her man is a "lucky man" At this point I am pretty sure you are not happy with him either. Whether he has feelings or not for that other woman is irrelevant.
He is emotionally involved if his priority is her emails. I watch porn but only when my wife is too tired for sex or when I am away on a business trip. And most of the time is videos of my wife and I. But I love my wife. She is the best sex and the best porn had have and will ever have.
Do you feel he is still emotionally attached to you? are you wiling to just be the friend while he gets his physical need met by some other woman?
If you are leaving him, why does it matter if he is emotionally involved? I think the woman is not but he might be, because the woman talks about her husband, he doesnt talk about you, does he?
I think you are wondering if this can still be saved. Depending on how much this means to you and how willing you are to meet and succeed at pleasing him in what he wants.
Good luck
Reading your last sentence, I’d rather not answer.. because in all honesty, what does it matter? His intentions were in black and white.. what more do you want?
To answer your question, he probably just was curious… but like I said, what does it matter? Dumb-dumb