With “I Used to Be Funny,” writer / director Ally Pankiw intertwines mystery and emotional depth to create a compelling narrative in her dark dramedy about a missing teenage girl and her friendship with a stand-up comedian with a debilitating case of PTSD. By exploring the various complexities of trauma, recovery, and healing in a refreshing, honest way, the film is poignant and feels highly personal. This is a story of emotional suffering, fractured relationships, and the long-term process of reclaiming happiness and a sense of identity. Revealing too much of the plot will spoil the film, ...