im sorry if it seems that way merlin, but im just giving my experince on them. i had a bull x greyhound a while back, raised it from a pup with my kids, he was great wee dog, came from very good foxing lines ect ect. one evening, 7 years ago, my nepfhew called round to have a game of footy with my son. they were having the craic ect, the bull x was in the garden with them. my nephew started clapping his hands, the dog ran up to him and nearly took his arm off, it took 3 of us grown men ( work mates) to get the dog off. the poor lad had to have the arm cut off, due to it being badly crushed to