紀凱

女人要彈性，男人要盡性 = Women and men both need sex : 男人要的，永遠跟女人不一樣 by: 紀凱 (Language materials, printed) , [著]

女人像老虎，男人像老鼠 = Women are like tigers, men are like mice : 男女都不肯向人承認的人性弱點 by: 紀凱 (Language materials, printed) , [著]

男人向左轉，女人向右轉 = Men turn lefe, women turn right : 男女彼此都不讓對方知道的秘密 by: 紀凱 (Language materials, printed) , [著]