Greg led them along, and only grunted at Niki's suggestion; knowing what Theo eat was still a mystery to him and he hoped that he could at least get the other to pick at something. Besides, with school starting soon, going out like this was not going to be as easy.
Greg let them out into Diagon Alley, his arm around Theo's thin side, "So, Urquhart, what are you doing out today?"
He thought he could ask that; it was a common enough question when one bumped into others.