Given the task definition and input, reply with output. In this task you are given a short story and a question regarding that story. You must answer the question based on the events of the story. Try to use the same words in the story to answer each question. You should completely answer the question in a short answer. Do not include information that is unnecessary to answer the question.

Mike and Ally became friends when they were two. They grew up together side by side their whole lives. One day they decided to start dating each other. They had their ups and downs, but were generally happy. Finally they decided to get married and lived happily ever after.
Why had They their ups and downs?

One day they decided to start dating each other.