"...Just wait a minute," Mario says. "You have to be patient."
They both wait for the powder to take effect. A few minutes pass, and while the tingling feeling continues, Adam experiences no changes. "Maybe I should get some more?..." Adam suggests. "Better not risk it," replies Mario. "I think I'm gonna go get a snack from the vending machine. Want anything?" "Naw," Adam says, knowing exactly what to do when Mario leaves the room.
Soon enough, Mario is gone. Adam immediately grabs more powder and stuff it down his pants. He admits to himself that this growth is what he has been looking foward to most, and anything to accelerate the process is welcome.
The sweat from his nervous hands turns the powder into a paste, which he energetically rubs over his dick and ball sack. Any second Mario may come back, so he hurries to coat his equipment with the paste. Of course his cock is at strict attention from the process, and he begins to jack off, rubbing the paste into the skin like lotion. Suddenly realizing that his hand has the paste on it as well, he rinses it off in the bathroom and returns, just as...