Kace was grinning at the professor. He was too affected by the wrinkly and oldness plague that was going around, but he did have a grandmother who did complain about her old age. Kace gave the professor a confused look when he seemed to be interested in this topic. But he raised his hand and responded...

"Professor i know my grandma she complains about her hair color. She wishes it wasn't so grey all the time." Even though she could die it, it wasn't the same as it was back then when she was Kace's age.