Full marks, then tears
The puzzle
A boy got full marks on his exam, then cried when he got home.
It was a moment to celebrate. Why the tears?
See the answer (spoiler)
Spoilers from here on. If you want to work it out yourself, leave this folded and move on.
Answer
His grandfather had always said: come and tell me when you get full marks.
His grandfather had died a few weeks earlier, and holding the perfect paper he realised there was nobody left to tell.
