What are the chances that a snake will fall in love with a snake man?

Genus of snake: you can know each other better, with a probability of 100%.

Snake people are the kind of people who are not good at words. Their hearts are actually very rich. Just because I don't like to show it, I always leave a cold and inaccessible feeling. If you meet the same person, the snake man can find the advantages of the other person. Because in their own view, there are too many benefits of being a snake man. For example, long-term love, such as loyalty, such as filial piety. So if you meet another person who is a snake, the probability that they fall in love is 100%.