"I like what i see slave, alright, now flex your cock a couple of times, go ahead.."
(You do as she says)
"Good, we're gonna make sure that you're extra worked up before i'll send you home"
"You'll be filled with so much sexual frustration and tension that literally anything would make you pop on your way back home.."
"You know, the older woman on the other side of the street, that hot girl on the advertisement poster, anything slave. fucking anything.."
"But unlike any real man you're not allowed to do something against it, and why is that slave?"
"B..b..because i don't have permission mistress stella"
"Alright, now flex it again and keep your cock tense for 10 seconds slave"
(You follow her orders)