Read the following context and answer the question.
Context: Craig and I were going to stay in our seats , but as soon as those kids walked out , I flew down the aisle with the camera like every other parent there . They sang one song and signed another . I could n't get the mile - wide grin off my face or the signs of tears out of my eyes .
Question: What may be the reason for my crying ?
Answer:


These were tears of joy .