Don't fall in love with others easily when you are 18, you may never forget it for the rest of your life. She said that as long as we meet each other by chance, everything else doesn't matter. She said she just wanted to like him, secretly, she didn't want others to know, let alone him, but everyone knew, including him. She said she would wait for him for four years, but he said he wasn't worth it. He said promises can change according to one's heart. She said that if you don't have expectations, you will forget them.