儿女情长
cherish deep affection for each other(between man and woman); be sentimentally attached to each other
英雄气短，～。The aspirations of a hero are overwhelmed by the love between man and woman.
儿女情长ér nǚ qínɡ chánɡ
指沉溺于男女之间缠绵的恋情。the lasting affection of boys and girls, love between man and woman is long, be immersed in love