HE IS 1YR 70LBS VERY ENERGETIC HOW CAN I BREAK HIM OF JUMPING ON MY KIDS HE GRABS THEIR WRIST AND GRABS THEM AROUND THEIR WAIST I CANT LET THEM PLAY 2GETHER HES SOOOO ROUGH I CAN ONLY CONTROL HIM WITH A PRONG COLLAR HES 2 STRONG I NO THEIR CONTROVERSIAL I JUST STARTED USING IT A FEW WKS AGO AND HE DOES RESPOND 2 IT I AM ONLY USING IT AS A TRAINING AID NOT PERMANENTLY I DO NOT HURT HIM AND I HAVE READ HOW 2 USE IT PROPERLY WAT ELSE CAN I DO I LOVE HIM 2 PIECES BUT I HAVE 2 GET HIM UNDER CONTROL SO I DONT HAVE 2 CRATE HIM AROUND THE KIDS OR SIT ON THE COUCH WITH A LEASH HE IS NOT NUETERED BUT ALOT OF PEOPLE SAY IT DOESNT CHANGE THE TEMPEREMENT