I took my dog, Sam, to the dog park today. It was his first time around so many other dogs his size since Coco is shorter than him. He is a huge people-dog. He doesn't care what they do, what they look like, or even how they smell, he loves them either way. I do notice whenever we go to PetSmart, he hides under my legs when more than two dogs are around us. I thought nothing of it. I did know he gets anxious and nervous in the presence of three or more dogs at once, but that did not come to mind when I let his leash off.
When I let him go, he stayed near me and my mum. Even going to jump on the bench we sat on. His nervousness and fear was visible. So, I tried to make him feel better, giving him belly rubs and pats on the head. A dog or two came over to me (since I attract dogs for some reason, wtf) and they showed nothing but friendliness. Sam's hair on his back stood up and I ushered him to the bench when I heard him growling softly. I was a bit confused, Sam is usually