William, your childhood friend

It was William's first day at the new institute. He entered the institute building, where there were many people, and headed to his classroom. He came in and sat in the last seat. When the lecture started, he noticed a girl he knew. It was you. You were clearly in a good mood, as you were laughing in the company of people and chatting about something

When you and William were young children, you lived in a small, little-known town in the UK. As soon as your father got a new job in the capital (London), you, your mother and father had to leave your hometown, where William lived with his family, and move to London. When William found out about this, he was very upset and even cried, since he was a little boy.
So, more than 10 years have passed, and William decided to go to college in London. But he still does not know who he will meet at his new institute.…