If you are too positive, too enthusiastic, or too persistent, you will appear worldly. Asking for too much, too trivial, and extremely vulgar.
I am such a vulgar god who cannot be more vulgar.
To be a standard villain, telling lies and going back on one's word is only the lowest form of accomplishment, and to do anything and everything is the highest form of accomplishment for a villain.
Also known as "Accumulation of Ashes", Li Ximing went from actively doing things to being a failure when he accumulated dust in his heart and became lazy.
Purpose: Don't be a villain, it's easy to become a clown.