Stay and look after the ill woman./Option 2

From Create Your Own Story

After a few days you wake up in the morning and see a locket on your bedside table. When you open it you see an antique watch. Time that it shows is incorrect so you touch the screw trying to set the time on and suddenly you're at your secondary school just in a moment when your exboyfriend asks you to be his girlfriend. You refuse, saying that you need time for studying. How is that possible? Who was the old man? Was that all just a dream?