Based on the context and the answer, generate a 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 .

Answer:

These were tears of joy .



What may be the reason for my crying ?