A painting on the main character's wall features female nudity, it's pretty hard to see though.
A man offers a younger man a porno tape and says it will give him a boner.
A woman removes her robe, briefly revealing her breasts and buttocks.
A man and woman have sex, kissing and thrusting and the woman's breasts are seen.
One scene where a female character wears no bra so the outline of her breasts can be seen through her dress. Later she has sex with a man.
A man and a woman kiss in a car, the women then removes her top showing her breasts and the man feels them. The man is seen thrusting on top of her while they're both naked. They have sex again later, lots of thrusting and moaning.
Implied sex (a man and a woman meet in motel rooms several times).
A porn film played from a projector is shown, with the man thrusting from behind. Another porn film is shown near the end of the film. In both cases it is shown in the background briefly.
A woman describes the time she was forced to strip for a man, this is shown onscreen. Her breasts are seen and it's implied she was raped, but the camera cuts away before anything happens.
The final sex scene is the longest, about a minute long. The woman's breasts are seen.