It's Kind of a Funny Story is about what you do when you are served that one extra drop of water that makes your glass overflow. We don't have an instructional book to help us go through life, yet once we're born, we're expected to live. That can prove too difficult for some. This is for them.
The story is simple. The acting is good. The subject matter has plenty of room to be explored and will make you think. This is the film where I think Zach Galifianakis has given his best performance.
Now, the main flaw of the movie are the therapy sessions and how the main character evolves throughout his stay on the psychiatry floor. Those are common mistakes and easily overlooked. I've rarely seen a realistic psychotherapy session in a film, and few people can make sense of them.
Beyond that, it's a quiet flick that aim at making you ponder life. It's not a depressing piece, or a high tension one, so it's an easy watch.
If you're not looking for action or laughs, but still want something relatively positive, this might be for you.