It's mean to give petty gifts to your grandparents.
Owen was visiting his grandparents for the weekend, and he had not seen them in a while.
Owen wanted to get a gift for his grandparents.
Owen brings his grandparents a card with a handwritten note in it.
Owen brings his grandparents a sheet of paper that had already been written on.
After Owen leaves, Owen's grandparents take the card and put it on the mantle where everyone can see it.
Owen's grandparents wait until he leaves and then throws the sheet away because they don't want it.