"Oh —well, it’s habit, isn’t it" Harry answered easily, with a shrug. "I tell me parents I love them, they say we love you. One of them tells me they love me, usually in the presence of my other parent —we spend a lot of time together— the automatic response is we love you too, isn’t it?" Malfoy and Theo —for some strange reason— looked like they wanted to argue. "Is that... not how it works?" 