Lately, my dog kept climbing onto the top kitchen cabinets and growling loudly — at first, I thought he’d gone mad, until I realized what he was barking at

My dog had never behaved like this before. Rick was a smart, calm dog who had always obeyed me and never barked without reason. But something had changed in the past few weeks — he began barking at night, standing on his hind legs near the kitchen cupboards, and, most strangely of all, climbing onto the top shelves — places I myself rarely reached.continue reading …