Hello, I just recently got a Pit/Lab mix and he was a rescue from the shelter after being a stray. I don’t really know how to go about getting him to do normal dog things. He just likes to sit in a corner and look sad. He doesn’t really respond to petting, cooing, treats. When we put a leash on him, he won’t budge to get led outside. It’s been 3 days now and we don’t know what we might be doing wrong or if this is just how dogs like him adjust.