The context of the following conversation is Carson was never afraid of dogs.  Even though the animal was barking, he put his hand out to comfort it.:
Carson says I am an animal lover by nature, so dogs are pretty nice to me..
The friend responds Yes, they can sense if a person is afraid of them..
Carson responds He was barking pretty loud, but I sensed that it was from excitement..
The friend responds I was actually surprised when you went straight to pat his head..
Carson responds Then, why didn't you try to stop me?.
The friend responds I wasn't worried because he is a friendly dog. He has not bitten anyone..