K.C. Bailey/Focus FeaturesB+Review in a Hurry: Feeling mental? Check out this Funny Story of a suicidal teenager (Keir Gilchrest) who checks himself into an adult psychiatric hospital. Aided by solid performances, this offbeat comedy lives up to its title, though it could have stepped a little farther out on the ledge.The Bigger Picture: Based on Ned Vizzini's novel of the same name, Funny Story