You might not think it, but much of how your dog feels and acts depends highly on you. Dogs pick up so much from our body language, our tone, even our moods. So how you choose to feel/express/behave will highly influence how your dog will react in any given situation.
Artist Lili Chin beautifully illustrates with two common problem situations pup parents often face: growling to guard a toy, and barking at another dog.
Look at them and see how your actions are creating equal and opposite reactions in your pup!