He's quiet for a moment while Kyle thinks about the girl the mannequin resembles. he doesn't know what transpired between Heidi and Kyle and Cartman exactly but he can guess if based on the sheer numbers alone.

"What do you mean, how you were about being compared to your mom?" he asks. It's not exactly related to Heidi, he knows, but mannequins aside it seems like one of those things he wants to know about Kyle.