Raccoon Washing Marshmallows

Xiao Huai and Xiao Wan are twin raccoons. They have had exactly the same furry faces since they were young, and the distribution of fur color on their bodies is exactly the same. Even the intervals between black and white on their tails are exactly the same. The difference is that brother Xiaohuai always hopes to be praised by his mother, but does not want his mother to praise his sister Xiaowan in the same way. Purpose: Correct understanding of jealousy