When Kylie signed into Facebook, she noticed that she had received a friend request from a stranger. She was about to refuse, but then she saw a note that was attached to it. It read: "The whole universe belongs to you. You don't need to look up to one single star."

Kylie accepted the friend request and replied to the note with a friendly emoji. It was obviously Ethan who had sent her the request under a pseudonym. In his message, he was telling her that she did not need her friend, Stars, when ...