Jack Pappas is the son of a minister and on the high school football team. He dates Grace, but is distraught when she tells him she wants to wait until marriage to have sex. Because he is annoyed, he has oral sex with Adrian; Grace finds out and breaks up with him.
He dates Madison for a little, until he accidentally tells her father that they are having oral sex. After they break up, he realizes that he is still in love with Grace, but Grace has moved on and is now dating Grant.
Jack: I broke up with Madison.
Jack: Because she's right, I'm still in love with you.
So you cheated huh? It's easier than you thought.Jack [to Grace]