Maybe Bobby has a really unique way of dressing up that always makes people laugh. For example, he might wear mismatched socks and a hat that looks like a giant fruit.
In 'It's Kind of a Funny Story', Bobby is likely one of the many characters that contribute to the overall narrative. Maybe he has a unique role, like being a source of support or conflict for the main character. We would need to read or analyze the story more closely to know precisely what his significance is.
Hard to tell exactly. Maybe Bobby discovered something new about himself, or maybe there was a sudden change in his circumstances. Without further info, it's all just speculation.
Sure. Well, it was a day like any other. Bobby was walking down the street when he saw a squirrel doing the funniest thing. It was chasing its own tail in circles and making these crazy noises. It was like the squirrel was in its own little world, oblivious to everything around it. Bobby just stood there and watched, and couldn't stop laughing.