 No matter. Dr. Dunbar said, here is what researchers have suggested is the critical period of socialization. This is when we need to socialize dogs. This is how we do it. And then directly into puppy classes, off leash but controlled. What does that mean? We'll talk with Dr. Ian Dunbar later in the program. Also, about traveling with your pets. More people are doing it than ever before. How to do so safely.