Jack hears your words, and glances up at you in confusion -  then, realization dawns on his face, and the car gradually slows, pulling over to the roadside, each bump making your walls spasm and grip his hot rod. It was fantastic, the most glorious vibrator ever, but you need to finish off Jack, for both your sake and his.<br/><br/>With the car slowing down, you regain enough balance to begin riding him again, moving up, down, up, down, cautiously at first, picking up speed - and when the car comes to a full stop, that's your cue, you go full bore, as fast as you can in this cramped space. You release Jack's balls, plant both hands on his shoulders, using him for leverage - he's so, so hot, so<em>hot</em>inside you, you can feel his cock throbbing and twitching. He's grunting, squeezing his eyes shut, a sheen of sweat percolating on his brow - he's close, he's going to blow, you know it. You're soaking wet, you've already hit climax but there's more, so much more, plenty left over for Jack.<br/><br/>Buzzing pleasure hits you hard - your throat grows tight, and in the back of your mind, you wonder if you should<strong>let him come inside you</strong>. You've got birth control, and so long as you make it back to your apartment tonight, it won't be a problem, but you're still sort of uneasy. You don't want to let him down, though, so you could always<strong>give him a handjob or blowjob</strong>...