The Fundamentals of Caring is a heartfelt comedy-drama film that stars Paul Rudd as Ben, a retired writer who becomes a caregiver for a teenager with muscular dystrophy named Trevor, played by Craig Roberts. The movie follows Ben and Trevor as they embark on a road trip, discovering the importance of friendship, empathy, and living life to the fullest. With its touching story and excellent performances, The Fundamentals of Caring is a must-watch for fans of Paul Rudd and heartwarming films.