 Because if he's not immediately by your side, you can use a crate to confine him. And then after you take him out of there, play with him outside, take him to do his business, then he's allowed free run. But we have to make sure that we're getting the message across that this is where you do your outside business, and then you come inside and you live inside the house. So that might be the basics. Now, did you do crate training when he was a youngster? Yes. Well, we actually would only have him in a crate.