A little kid fell in love with another little kid, a school mate. 

Sometimes the kids think they fall in love when they have a crush on someone else in the class, when they’re eight or ten years old or something like that. So the eight-year-old kid came back home and asked his father, “Father, is it expensive to be married?” And the father said, “Yes, son, it is very expensive.” So the son asked, “How much does it cost?” And the father said, “I don’t know, son. I’m still paying.”