Spring Fever (2009)

Both are LGBTQ+ films that send a message about not letting love slip through your fingers.

Both films feature a homosexual relationship where one of the men doesn't value/appreciate the other until they are gone. It is only then that they realise how much in love with their partner they really were. But will it be too late?

Both films show the rocky but deep relationship between two men. One of them thinks he doesn’t have feelings for the other man and only realizes otherwise when it’s too late.

Both these films seem to want to portray the importance of not letting love escape your grasp. They both show a closeted gay man falling deeply in love with another dude.

Both films were directed by Lou Ye and star Qin Hao as a main character who gets involved in a relationship based around cheating

Both films were directed by Lou Ye and star Qin Hao as a very imporant character who gets involved in a relationship based around cheating

Both movies have the same premise - private investigator gets hired to spy on ML and his... endeavours and gets involved with him