"When are you expecting Lily back?" Severus asked, also feeling the weight of their mutual discomfort and enmity. "Perhaps I should just go." He stood. "Try to catch her another time. I was just visiting my mother and had something to tell her, and thought maybe, while I was in the neighbourhood... " he let it go at that, as he started toward the door. The rest was self explanatory and he had talked too much as it was.