A boy makes out with a younger woman. No nudity.
Married man shopping has a sex fantasy about a young female clerk; he imagines they're passionately kissing in the store aisle as they fondle and begin undressing each other.
Two male teachers in the school administration office converse from a distance about a student they both see there in the office and the prospect of having sex with her.
A male teacher and a female student go to a coffee shop and converse about an author's work and the subject of sex is discussed. Nothing graphic in any way is discussed.
A husband and wife have a heated argument about a past affair where they both resort to describing his sexual indiscretion as "f***ing".
Young woman sits astride a married man in the passenger seat of her car. They are kissing passionately when she whispers "I love you," at which point their interaction becomes more physical, and she ends up falling out the unlatched door, and she drives away suddenly, leaving him behind. No nudity.