Several heavily implied scenes
A sex scene, no nudity is shown, however, it is very sensual and extremely minimal clothing is worn. Orgasms and sex are completely understood.
A main character is a prostitute
Passionate kissing throughout, in different contexts
A lot of innuendo, and countless hints towards and portrayals of prostitution, including a scene where the main characters get one and have fun.
A scene takes place in a strip club where elaborate curves and skimpy clothing is shown. Many men drink while the strippers tend to them. No explicit nudity, but a lot of lingere that reveals body parts.
Several scenes in which a bare butt is visible through a thong.
Sex is implied several times throughout the film.