Thumbsucker (2005)

Thumbsucker is a comedic drama that follows the story of a teenager named Justin Cobb who struggles with an embarrassing thumb sucking habit. As he navigates through high school, Justin must confront various challenges and life lessons, including his relationship with his parents, his first love, and his search for identity and purpose. With the help of a quirky orthodontist and a hypnotist, Justin embarks on a journey of self-discovery and growth.