In ancient times, the seventh day of July was called Daughter's Day (the third day of March and the fifth day of May were also called Daughter's Day). The ancients also believed that seven was an unlucky number. The seventh day of July was also called Daughter's Day. It's even more yin-y. In fact, until now, many places believe that girls born on the seventh day of July are not good and will have a miserable life.
If you want to change your destiny, you have to find a highly respected person to name it, and Grandma Liu happens to live a long life, so she wants to change her name, and because she needs to change her destiny, she was born on the Chinese Valentine's Day. poison, so the word Qiao was given, which means Qiqiao. This is the reason why Sister Qiao was not born well with the meaning of seven to fight poison with poison. It is also what you said to fight poison with poison.