"I won’t break her heart, Potter. Take care of your mess before diving into my own." In a swift movement, he got up, his fists clenched. "I’ll appreciate your help with London, but I’m not going to listen to you sprouting nonsense, understood? I really care about her—it’s not a ruse to me even though it started as one. And I don’t really need to explain myself to you, do I? Give me the library keys and just let me take care of her."