In the comedy "I Do... Until I Don't", written and directed by Lake Bell, a documentary filmmaker sets out to prove that marriage is an outdated institution. Her intrusive investigation disrupts the lives of three couples in various stages of romantic entanglement. The ensemble cast, featuring Lake Bell, Ed Helms, Mary Steenburgen, Amber Heard, Chace Crawford, Paul Reiser, Dolly Wells, and Wyatt Cenac, navigates the hilarious and poignant complexities of modern love and commitment. As the filmmaker digs deeper, her subjects are forced to confront their own beliefs about relationships, leading to a series of comedic revelations and personal upheavals. This R-rated film, running 103 minutes, explores whether lifelong monogamy is a realistic goal or a societal trap, all through the lens of sharp, character-driven humor.