Then the expression pack used a panda with a bull's head on it, which was more vivid, so after the video became popular, everyone began to forward it for imitation.
There is not much explanation for this, and more people use it, which also conveys a kind of motivation to express courage, not afraid of difficulties, forge ahead, strive for progress, and is also an emotional catharsis. Sending this is also to encourage the other party to be self-motivated, not afraid of all difficulties and go forward bravely.
When the spread speed was wide, everyone began to imitate. Then, besides brave Niu Niu, other brave dogs, brave cats and so on came out. In a word, all Chinese zodiac animals have different expression packs.