From a Random Acts of Kindness website:

Cake topping
Today, as I drank coffee in a bakery, I noticed a young boy ordering a cake for his mom`s 40th birthday. He seemed to live on a small budget and by the end of his order, he wasn't able to afford the writing on top of the cake. I was so touched by this scene that I offered him to add the money for the icing writing. He first refused, but then got really happy. And I was just happy seeing his face and imaging his mom having a wonderful cake!