"It should start off with "When a man loves a woman very much..."
When my friends' and neighbours' teenagers asked me for advice on sex*** I told them that most of the pleasure was in the mind. The pleasure would depend on many things: learned technique; personal aesthetics; the degree of empathy with each other.
When lust becomes love is always an interesting debate. Relationships can decline suddenly when lust is sated. It only takes one jarring of other expectations to shatter the whole edifice.
In the 1990s it was interesting to hear snippets of athletic heterosexual experiences from one lad seeming destined for marriage. Then he broke off the relationship and came out as gay in his late twenties. He said "Now I have to make up for lost time" as he learned how to date men prior to Grindr.
The current twenty-somethings seem to be going in for serial monogamous relationships. As they approach thirty they acknowledge the experience needed to make a relationship work with their latest partner.
There is still the odd one - somewhat dangerously innocent - who has ended up in a rocky early marriage due to a pregnancy that should have been avoided.
***at that age they often need someone they trust outside the family in whom to confide their misdemeanours and fears. In days gone by that was the role of an official godparent.