The nevus of bitterness is a mole that grows in the center of the back of the neck. It is said that the origin of the nevus of bitterness is as follows. The legend is that after the previous life, on the Mengpo Bridge, Meng Po asked to drink the Meng Po soup, and then forgot everything that happened in the previous life, reincarnation, and reincarnation. But there were some people who were unwilling to drink Meng Po soup, so Meng Po agreed to them. And put a mark on such people, and this mark is the mole in the middle of the back of the neck. Such people will renew their relationship in the next life, take the mole to look for the lover from the previous life, or fulfill the unfinished wish in the previous life. Hope: Renew the relationship in the next life... Wish: See you again in the next life...