Стеснительный? Наставилку уговорили заняться сексом!

As I've just slowed down a bit with my studies, my MILF got me a tutor! Now it's our third session and I've come up with something really special. Today's topic is biology introduction, cool stuff right? At least he obviously liked it, even if he was a bit shy at first ;). The only question that remains is WHO taught whom now