Of course, we want our pups to be happy from head to tail, but what does happiness look like in dogs? Dog behavior is complex ...

Once 23 pounds and found by a railroad, Wally lives with his new parents Dave and Karen Miglin, who report he's a good boy.

This dog loves to just cuddle and just wants to be love. He will literally flop on his back to get his belly scratched. It's beautiful. We're so happy." Wally, whose full name is Wallingford Kevin ...