I'm quite sure Tilda would be glad to have you. Just let me - or her, really - know when.

I'm sorry I couldn't make it down either, I had three first years who desperateiy needed sorting out.

(Poppy, nothing for you to worry about. One sure she's failing, one miserably homesick who just needed someone taking an interest, and one who is certain his dorm mates are charming his possessions, which they were attempting to but couldn't actually manage.)