Howard Wolowitz: I just want to pop and make sure that Ma's OK.
Raj Koothrappali: I thought Stuart was looking after her.
Howard Wolowitz: He was, but now that her cast is off, he moved out. Honestly, I'm kid of glad. It was getting a little weird.
Raj Koothrappali: How so?
Howard Wolowitz: I don't know, they were... chummy.
Raj Koothrappali: Like us?
Howard Wolowitz: No, not like us. Creepy chummy, like you and your dog.