Jerk Sam off

You turn to sam, deciding that quiet is better, and see that he has resumed massaging his cock. "Want help with that?" You whisper. "Are you serious?" He asks, already taking off his jacket so he can cover. He lays the jacket across his lap and undoes his belt and fly. You reach in and grab his small 4 inch virgin cock. There is something comical about the way that his dick sticks straight up, making the jacket almost pointless. As you are stroking as fast as you can you realize that people might be able to see so you turn facing sam sitting with your legs crossed and back to the isle. "You know, if you're going for speed, showing some skin might help." As pissed off as you are that your friend would suggest that, you realize he's right. You flip your skirt up, revealing your absolutely soaked panties. At that sight he moans and whispers "Holy shit, I'm close" You suddenly remeber the second half of the instructions, and you have to choose soon.