"I was a dog in a past life. Really. I'll be walking down the street and dogs will do a sort of double take. Like, Hey, I know him"

William H. Macy's quote suggests that he believes he was a dog in a past life. He thinks this due to the fact that when he is strolling down the road, pets will certainly do a double take, as if they recognize him. This might be interpreted as a sign that he was a canine in a previous life. It can likewise be interpreted as an indication that he has a special connection with pets, which he is able to interact with them in a manner that individuals can not. It could additionally be interpreted as a sign that he has a special fondness for pets, and that he is able to understand them in a manner that individuals can not. Whatever the interpretation, it is clear that William H. Macy thinks he was a pet dog in a past life, which he has an unique link with animals.