Deep learning of reproductive system

A student wants sex. It's axiomatic. His body is full of strength and energy, his balls are bursting with an overabundance of semen. He's hot and young. Why hide the obvious? Some teachers understand that. And some of them don't know how to control themselves. The hero of this story was lucky, because his tutor turned out to be an understanding woman. Despite her age, she taught her student all the wisdom of adult anatomy. And if you want details, here's how it was.