I'm so happy to see this because Louie does the same thing!! He has three hides to choose from in the hot to cool sides of his house and he ALWAYS chooses the smallest one he's had since he came home with me 7 months ago!! I wondered if it was a temperature thing but no matter if I move his favorite hide to the hot, warm, or cool side he follows with it haha! He's getting to the point where he lifts it off the ground as he curls up and he has a bit of length sticking out. Silly boy. Well I'm very relieved he's not the only big baby trying to not outgrow his hide!!