When unnatural sex has become commonplace, as it has in a contraceptive culture, it becomes intellectually impossible to make significant distinctions between homosexual sex and contraceptive heterosexual sex. By removing openness to procreation as the fundamental defining characteristic of legitimate marital sexual intimacy, we have embraced any and all sexual relations that express emotional love as the sort of relations which are proper to marriage.
One of the issues I see is that our society has enshrined sexual activity as the highest expression of love. In popular music and so on, when the word "love" is used as a verb, it almost always means "***k."
I don't see how this concept has taken hold so strongly, because just about anyone will (bleep) just about anyone with a pulse at the drop of a hat. Emotional affection, even general attraction, need not be involved.
If you want to express love, you really have to take a totally different direction. For example, you could do something that's terribly sacrificial: difficult and painful for you, for the sake of others. You know, like Jesus's dying on the Cross ...
(Those are general "you," not "you, AHerald".)