"Stop stroking.."
"i want you to let your cock go limp again.."
"I don't know if i can do that mistress"
"Just use some cold water..."
(You go to the kitchen sink and try to calm yourself down)
"It's not working mistress, i'm sorry mistress"
"Hmm..it should be..well.."
"Check the freezer and use some ice..that will do it for sure.."
"Yes mistress"
(You get yourself some ice which let's your erection go down rather quickly)
"So..how badly do you want to cum slave?"
"I'm very desperate mistress, i would really like to have permission mistress"
"But you don't have it slave.."
"Though luck..isn't it?"
(You lower your head)
"Get yourself hard again"
"Massage your balls and play with your nipples until your little penis gets warmed up again"
"Yes mistress"