I'm old enough an altered enough to compare. As a handsome, fit bloke in his 20s I got much more enthusiasm than I do now as a saggy 50 something bloke. Understandable of course.
We do the same with the girls now don't we..... we shouldn't really expect them to think any differently....
---
“I've been thinking with my guts since I was fourteen years old, and frankly speaking, between you and me, I have come to the conclusion that my guts have shit for brains.”
― Nick Hornby, High Fidelity