BIG D I disagree. On a seriously large cock, it they are an asshole, they most certainly can and do ruin you. I know Luke is not one of them and not implying that Luke at all, but a guy with a big dick that is merciless (long story short) can make you bleed, rip you up, etc. Sorry, but there are guys that "get off" on doing just that. I've seen it happen and have a friend that was with the wrong 'top' and ended up needing surgery the next day when he would not stop bleeding.