《天生一对》是一部香港喜剧片，英文名叫做2 Become 1，由罗永昌执导，由杨千嬅、任贤齐、谷祖琳等人联合主演，出品公司是寰亚电影、银河映像、中国电影合作制片公司。2006年3月2日上映于香港上映。该片是由小说《哀悼乳房》改编而成，杨千嬅饰演广告公司的客户经理叫做梁冰冰，任贤齐饰演专科医生V仔。梁冰冰是一位年过三十的女人，生活自由自在，工作认真，经常与不对付的同事互相争抢生意，有一日晚上，她去酒吧遇到了男主V仔，两人发生了一夜情，结果男主意外发现女主梁冰冰患了乳癌，女主梁冰冰得知后大受打击，害怕会因为这个原因会没有男人喜欢她。而V仔发现女主得了乳癌后，心中留下了深深的阴影，导致他的性能力减退，从此男主与女主成了一见面就斗气的冤家

"A Pair in Heaven" is a Hong Kong comedy film, the English name is 2 Become 1, directed by Luo Yongchang, starring Miriam Yeung, Ren Xianqi, Gu Zulin, etc. The co-stars are produced by Media Asia Films, Galaxy Image, and China Film Co-production Company. It was released in Hong Kong on March 2, 2006. The film is adapted from the novel "Mourning Breasts". Miriam Yeung plays the account manager of an advertising company named Liang Bingbing, and Ren Xianqi plays the specialist doctor V Tsai. Liang Bingbing is a woman over 30 years old. She lives a free life and works hard. She often competes for business with colleagues who are not good at dealing with each other. One night, she went to the bar and met the male protagonist V Zai. The two had a one-night stand. As a result, the male protagonist accidentally discovered that the female protagonist Liang Bingbing had breast cancer. The female protagonist Liang Bingbing was shocked when she learned about it. She was afraid that no man would like her because of this reason. And after V found out that the heroine had breast cancer, it left a deep shadow in his heart, which caused his sexual ability to decline