Switching genres
I was imagining what would happen if the young one was a female and the old one male. In theory, you could say the message would be the same, but I think there would be less impact - a young woman with and older man is much less odd, even if that age difference is rare. Maybe the older one would be seen with less sympathy as well - he would seem to be taking advantage of an innocent maiden to get his last bang.
What do you think?