It’s all in how you do it that makes them scream out loud and want more. I was going to say that 16 year old kids don’t know the technique, but nowadays I have no idea what is available in online porn. So maybe todays kids do know.
The thing about young guys is, they may not know what they're doing, but they can do it all night.
I suspect the student is an athlete who has already gotten plenty of experience, which is why they wanted him.