Parents should not cut ties with their child.
Brian's young adult son Frank identifies himself as a homosexual at dinner with the family one night, of which Brian disapproves.
Brian wants to respond to Frank's revelation.
Brian tells Frank he's free to continue living their in spite of their different opinions on appropriate sexuality.
Brian tells Frank he won't have anyone with that label living in his household and tells him to pack his things and leave.
Frank is thankful to have such a supportive father, even if he doesn't approve of Frank's lifestyle.
Frank harbors deep resentment towards Brian and never speaks to him again.