Shunning people close to you is hurtful.
Sally is a very religious person, and has found out that her friend Jack is gay.
Sally wants to follow her religion.
Sally disagrees with Jack's homosexuality, but agrees to still be his friend.
Sally says she can't abide by Jack's orientation and cuts him from her life.
Sally and Jack come to understand each other better and become better friends.
Jack becomes depressed, and Sally's other mutual friends cut her off, as well.