He shrugged, "I felt like I had to, you saved me this year Granger. You are physically and mentally responsible for every good thing I've ever done and every good memory I have. When I saw your face change when you heard you had been sorted into Slytherin I had to do something, that is probably the bare minimum I could do for you right then. Let's talk after the feast and we can go and see McGonagall in the morning?’