This movie is underestimated and I'll tell you exactly why: the characters are incredibly realistic, they are searching for something or someone to feel less alone and you could imagine this story really happening. John could have taken the girl to a hospital but he takes her to his room instead just because he feels the need to have something of his own, something no one else knows about. Another aspect about the movie which I can appreciate is the sphere. I cannot explain exactly why, but I was taken away by the beautiful autumn setting and the well chosen soundtrack. There is one scene that might be the best example: the scene in which Jonh wakes up near the fair, you can almost feel the coolness of that autumn morning and can imagine how he feels realizing the girl isn't there anymore and he is all alone once more. This movie in a way, is about how people sometimes just do not want everybody to know everything about them. The girl keeps it a secret what happened to her, the boy does not tell anyone about the girl he found. The only thing I didn't like about the movie was the title, I don't understand what "boys" has to do with the story.
