A Sunday school teacher was explaining to her pupils the importance of making others happy. "Now, children," she said, "has anyone here ever made someone else glad?"
"Please, teacher," a small boy spoke up, "I made someone glad yesterday."
"Well done! Who was it?"
"My granny."
"Good boy. Now tell us how you made your grandmother glad."
"Please, teacher, I went to see her yesterday and stayed for three hours. Then I said to her, 'Granny, I'm going home,' and she said, 'Well, I'm glad!'"