How many are you and my chemistry? Gender discrimination? NO Compatibility only between the opposite sex? NO Meet the chemistry that everyone can do. ■ Compatibility Discrimination factors such as male and female, same sex, and opposite sex are excluded. ■ commentary solution We provide explanations written by all experts. Difficult notes, excluding the compatibility terms, easy to read. Check out the image in the affinity result. It shows good and bad compatibility. ■ various compatibility