Hamish smiled. He was just as worried and distressed as she was, even if he wasn't showing it so much. He had liked Cedric quite a lot, and he dreaded to think of the consequences if Dumbledore was right. Right now he was treating the speech their headmaster had given the previous evening as an exaggeration because the alternative was just too horrible to consider, but something was nevertheless niggling at the back of his mind.
Still, mentioning his baby sister made him forget the bad things, and seeing a smile return to his best friend's face (and her gesture of resting her head on his shoulder) pushed them even further from his mind.
"We'll do our best," he said before his eyes moved to Cass, who was talking to a friend. "Well, I'll do my best, as I dinna ken about anyone else's plans. When will you be goin'?" he added, knowing she'd understand he was referring to her grandmother's estate.