The first, unprotected penetration of a young model who is making a porn film with me for the very first time (primarily due to the good pay). That initial penetration—the slow, deep sliding of aroused genitals against one another, the rock-hard penis pumping into the moist vagina and causing the foreskin to glide back and forth over the head—generates wave after wave of pleasure and overwhelming, deep lust and satisfaction; it requires immense concentration on my part to avoid immediately ejaculating a massive load inside her fertile womb. That is the reason I had to pull out for a moment...