 It'll take him a while to eat that. It only takes 20 seconds to starve down a bowl of food. But a topple, especially when you freeze it, if you freeze it, it's going to take 20 minutes. So if you pop your puppy in that crate, sit nearby so he doesn't get scared. He knows you're right there. Give him something good to do that's going to last a while. Then you've got 20 minutes of him having a really great time in the crate with the door shut. Now you've formed a positive association between the crate and the door shut.