Write a long, nasty, mean-spirited letter to explain everything that they dislike about the church and articulate their own self-pity at length. What are some good reasons for leaving your local congregation?Communicate clearly and graciously. I recommend doing this in person, on the phone, or through a thoughtful, personal email. If people are gracious enough to let me know they are leaving, I write them a letter and thank them for their attendance and past service. Leaving a church can often be a complicated and painful process. Here are a few tips for how to leave a church gracefully. The American Film Institute proudly curates lists to celebrate excellence in the art form. Disappear like it's the rapture.