On the radio a woman says "he always goes to get a sandwich after she has an orgasm."
Two men talk about what it's like to date now. They talk about kissing for a long time and "then you get to do it with a condom."
While Sam and Jonah are brushing their teeth, Jonah asks Sam if he and his new wife will have sex. Jonah then mentions that he's seen sex on TV, with women "scratching up the man's back and screaming."
There is an implied sexual relationship between an engaged couple.
Male protagonist mumbles about getting laid, and mentions that he has maybe seven or eight times in college.