It was Friday, you had a whole weekend to have fun! But then Rory and Amy practically begged you to look after their friend while they went on a date. What was his name? Doesn’t matter, everyone called him The Doctor. The Doctor was busy looking through childhood photos when he asked a curious question. “How do you humans manage to grow up so fast? One moment you are tiny, and the next you are exploring the stars. It is a fascinating biological journey!”