How to Build a DIY Muffin Tin Puzzle That Stops Destructive Chewing Updated: August 2026 I remember the exact moment I realized I was doing it all wrong. My golden retriever, Murphy, was about eight months old. I'd just come home from a solid forty-five-minute walk—the kind where he sniffed every mailbox, pulled me past three fire hydrants, and practically jogged the whole way. I figured he'd be wiped out. Instead, I walked into my living room and found the corner of my couch cushion absolutely obliterated. White stuffing everywhere. Murphy looked up at me with that classic golden retriever expression—half guilty, half "Can we go again?" I remember staring at that destroyed cushion thinking, "How is this dog still not tired?" At first, I honestly thought longer walks were the answer. So I walked him more. Then more. Turns out? I was accidentally building an athlete. He could run miles and still come home looking for something to destroy. That...