Watch: She's 4 and he's 30. They got married and the reason will make you cry.

We all know life can be cruel and unfair, but we feel especially sorry when it comes to kids... Your heart grows heavy when you see that something bad happens to little innocent children. When you hear a story, like the one we are about to tell you, you have to man up in order not to cry. So, this is an unusual video about the love between a little girl and a doctor.

Watch the video uploaded by #MindWarehouse