After having sex with her son

Briana comes home and finds a trail of her favorite things on the staircase. Then she finds her son's buddy Seth on the bed upstairs. "Who are all these gifts for? They are all my favorites" she asks. Seth asks her to read the card, which professes his love for her. She is stunned, Seth has been friends with her son for years. But she is overcome with passion and they make sweet love on the bed.