It must be a secret love! Usually, you give cute nicknames only if you like them. On the surface, they are bullying, but in fact, they are likes and have a good impression of them. Just like the little animal you like, you will take the trouble to name it, so you will only give it a nickname if you like it. Nickname and affectionate address, so from Zhonghe’s point of view, that introverted little boy must have a crush on you.