No graphical nudity or sex scene show in this movie.
Jennifer Garner's character says, "I was masturbating." A man then says, "That makes me think of your vagina." She then goes back into the room and says she will finish masturbating quietly. The masturbation conversation continues for a few minutes. You don't actually see this happen.
A man says that seeing other men turns him on. He then mentions that he is a homosexual.
A man talks about touching a woman's boobs.
Someone tells a woman, "We must have sex or the world will end." She agrees and begins undressing.
A sign for a motel says "for intercourse with a near stranger."
Two characters openly discuss a coupon for sex, using the word "sex." Much open talk about sex, using the word, and procreating throughout the movie. A couple more moments that refer to masturbation and sex.