"You have a great smile."

I work at a movie theater in my hometown. On a particularly hectic day in which I had already made many mistakes, I began to help an older gentleman. Although I was frustrated and preoccupied, I still tried to be friendly to him. 

After paying for his ticket he asked my name. I was afraid he had a complaint for a manager about me, but I gave it to him. Then he addressed me by my first name and said, "You have a great smile." 

I tried not to cry, it touched me so much. Now, whenever I smile, I think of that gentleman who made my crazy day so much better. Thank you.