The name is auspicious.
The festive mood contained in the word "Xin" makes people extremely happy. From the appearance point of view, in the Chinese character structure, xin is composed of four small "mouths", which expresses smile and happiness. This is why when people use Xin as the last syllable of a child’s name, it often brings more positive, cheerful, and life-loving qualities to the child.
Solemn statement: The answer content is for reference only, please do not be blindly superstitious.