Listen son, like some have already said, the guy has that car firmly wedged up him, when you came along he must have thought it was Christmas as you where/are willing to part as well
.............YOU should be asking him for a clap ( sorry, a grand ) your way as YOU have the car that will sell quickly ( yawn
yawn, sad but true 
) and also remember that the day will eventually come when YOU want/need to sell and YOU will have the same problem ( ie wedged up ya ) sp please think about and remember this factor. Mind you, having said all that, I have done some stoopid things when I was young n me heart ruled me head n listened to no one n just had to have it, no matter what............... not always about $$$$$$$$$$$$$$$$$$$$$ eh
PS........If he does throw you a bag-of-sand, don't forget me drink
