He relaxed a bit. "She must have set it aside so it wouldn't get lost."
At Dagmar's snort, he looks uncertain. "The cruise was payment for summer - we hadn't discussed Fall semester yet, so I don't think I owe anything further. Except for her tool. It was entrusted to my care - and I know you broke it, but, like..."
He considers, "If someone you were watching over was injured on your watch, even if someone else hurt them - you'd blame yourself, wouldn't you? I was responsible for the treasure and returning it to her."