Thinking about adopting a rescue dog? You've probably heard that the first few weeks can be tough, but most people don't realize there's an actual pattern to how dogs adjust to a new home. In this episode, Kenji Takahashi breaks down the three-three-three rule—a timeline that maps out what to expect during the first three days, three weeks, and three months after bringing home a rescue dog. Whether your new dog is hiding under the bed or suddenly acting out after seeming perfect at first, understanding this framework helps you know what's normal stress and what actually needs attention.

• The three-three-three rule describes three stages of adjustment: three days when your dog is completely overwhelmed and might not eat or make eye contact, three weeks when they start learning your routine but also show their real personality and prob ...