Most Helpful Girl
I guarantee you she is exaggerating. Ever seen a woman try to park? Our spacial awareness isn't that good, it was most likely a normal size penis.
Not sure why you would bring such a thing up with a new guy, it's like going on about how tight your ex's poon was, or how amazingly perky her tits were... just a real sucky thing to do.
Most Helpful Guy
Get really good at foreplay like massages, kissing, eating out. Maybe there are things Mr. Big Dick never did for her she wanted to try. Be open; a woman wants to cum and an orgasm's an orgasm whether you do it with your penis or not. Sure, maybe she's a freak in bed and wants you to beat the shit out of her cervix, but not all women want that and 6 inches is enough to satisfy a woman.