"I think his only motive is keeping him and his mother safe from you-know-who. I think we can trust him, yes. And even if he couldn’t, there’s no way he could get information out to you-know-who, not with all the wards on the house – and certainly not without a wand." Hermione crossed her arms and stared Harry down. "There’s no reason whatsoever to keep Malfoy and his mother apart. Why are you so insistent on it? Are you just trying to make them both miserable or something?"