It means a little lonely, lonely, saying that others are in pairs, which is very lively. I am the only one standing under the lemon tree waiting for him. I don't know when he will come to me in my dream. If you are her good friend, go and talk to her. Don't make her so sad. If you want to pursue her or are pursuing her, then your chance is here! Today is Valentine's Day, maybe this is to remind you that she is still alone. No boyfriend. Then what are you waiting for? Hurry up! Come on, go after her! Happy Valentine's Day! May all your wishes come true