Surrealism is a story that has dreamlike qualities in which the narrative has absurd or unrealistic elements. In Metamorphosis, Gregor becomes a giant insect. This is rather absurd and unrealistic. An allegory is when a story has a hidden meaning. Is Metamorphosis just about a guy turned into a bug? No. It's also about the alienating nature of society. Throughout the story, Gregor has no real friends with people outside of his family. Once he becomes a bug, even that is gone. </span>
It can be both, because the definition of blithe is “showing a casual and cheerful indifference considered to be callous or improper.” And that is negative, but the other definition is “happy or joyous.” Which is positive