At first glance, the giant mastiff appears intimidating, and many will turn sideways when one of these impressive dogs comes towards them. But they misjudge the imposing dog. He may be one of the largest dogs, but his extraordinary size is matched by gentleness and patience. He is so sensitive that he is increasingly being used as a therapy dog.
#1 The huge, muscular mastiff may seem intimidating, but there’s no reason to be afraid of him.
#2 He only becomes really dangerous when his human is attacked and his protective instinct awakens.
By nature, however, the Mastiff is defensive.