>>64216425
Not all twink asses are created equally but at the end of the day fucking a dude no matter the window dressing is gay and it's a fetish like any other.
The answer as to why it's popular is that a good amount of people are more gay than they'd like to admit.
Funnily enough, the reverse is true of a good amount of gays.

If it doesn't do anything for you you're probably just very straight