I would keep ya cool with him my old black bull x was like that as a pup try a clicker bud get them from a pet shop for a 5er and they're awesome mate just use it till he knows what the click means in the house then use it out side u will see how good they are then after a few weeks he should come to the whistle as you are clicking hope this helps you the clicker come with training book how to use them bud have a read of the book hope this helps