Boys like to wear girls' skirts and earrings, okay?

In this case, men lack androgen and secrete estrogen vigorously, expecting to decorate themselves with women's articles.

Androgen is produced by testis. In addition, adrenal cortex and ovary can secrete a small amount of androgen. After boys and girls enter puberty, the testicles begin to secrete androgens to promote the development of reproductive organs, and secondary sexual characteristics and sexual desire appear.