According to Hu Chun-an, a doctor in the Department of Endocrinology & Metabolism at Chupei Hsinjen Hospital, no man is "all man," nor is any woman "all woman." We all have the same hormones; the only difference is in the mix.
竹北新仁醫院新陳代謝科醫師扈春安指出，兩性其實是「你泥中有我，我泥中有你」，每個人體內都是雌、雄激素並存的，只是比例不同。