Of course, our dogs remember our friends and relatives houses, and going to the vet, groomer, boarding kennel, daycare, or dog park. In some of these places, they exhibit behavior that looks fearful or apprehension, and in some of these places they exhibit what looks like joyful anticipation. I suppose that behavior experts would say that its simply that they have formed positive or negative associations with things that happened to them, and have expectations that the similar positive or negative things might happen to them again in those places. I think those things are true It never fails to surprise and amaze me