"It was probably just fighting back." She said about the ice machine, with a bright smile on her face. But with his last comment, she tilted her head. "What?" Asking as she came to pause the show and look over towards, Stiles. Since it seemed whatever was on his mind he was eager to share with her. Which in Stiles language that could either be a good thing or a bad thing.
Only one way to find out, and at this point Lydia learned to just always suspect it was something bad with Stiles. Because a lot of his ideas were bad, in a good way though.