When Patrick is trying to comfort SpongeBob on the couch, Patrick tells SpongeBob to let it out. SpongeBob says he can't because when Gary left, he took SpongeBob's tears with him. However, earlier in the episode, a customer at the Krusty Krab is upset because she found SpongeBob's tears in her sandwich. If Gary had taken SpongeBob's tears with him, he wouldn't been able to cry all over the customer's sandwich.