Health: Correct sex education can help people understand sexual health problems, such as how to prevent sexually transmitted diseases and infections and how to maintain fertility.

Safety: Sex education can teach people how to protect themselves from sexual violence and rape.

Self-awareness: Sex education can help people better understand their sexual orientation and body and make wise decisions about their sexual life.

Relationship: Sex education can help people establish healthy and satisfactory sexual relations and know how to protect their rights and interests in sexual relations.

In short, through sex education, people can better understand themselves and make wise decisions about their bodies and sexual relations, thus achieving physical and mental health and happiness.