Tongue my asshole...
Set the metronome to 240 and give me 120 strokes whilst imagining tongue fucking my tight little asshole you dirty little cunt...
Still haven't cum yet?
Remember if you have, I hope you came in the shot glass, then waited to get hard again and started again from where you left off? If you did you should have a nice load of cold cum waiting for you and when you cum again at the right time you have to cum on top of that cum and drink it all... If you don't you're a wimp and a cheat and will have it on your conscience that you failed...
I know you'd never cheat though...