"When a male's T-levels elevate beyond a certain point, he can hardly help but constantly have sex on his mind. And for males in their late teens and early twenties (when T-levels peak), their thoughts and feelings are influenced mightily by what’s coursing through their veins. They experience an almost constant stirring in their genitals—sensations that clamor for
attention, but which social mores disallow full expression. Despite such constraints, however, the very sight of a female (real, or merely "fabricated" in their mind) can’t help but fan this not-to-be-denied libidinous flame."