In the novel Catch-22, why does Yossarian turn down the colonels' offer to go home from the war when that's what he's desired throughout the book? This question is interesting because Yossarian's attitude towards World War II is always one of fear and horror, and he's constantly thinking about how to get out of flying more missions.
Upon further consideration of the aforementioned question, I have decided upon a possible solution. The author explains himself in the second to last chapter in restating and expanding on what he had earlier written about the incident on the plane involving Snowden. On the bombing run, a piece of shrapnel flies inside Yossarian's bomber hitting Snowden. Snowden is cut badly and Yossarian nobly attempts to save the poor Snowden and give him comfort in what Yossarian knows are Snowden's last moments alive. It shows us another side of Yossarian, the compassionate Yossarian. Yossarian is often in the book portrayed as being somewhat self-centered, but towards the end of the novel Yossarian starts to realize his obligation to the rest of humanity.
Also upon his final return to Rome on his unapproved mission to help the kid sister of "Nately's whore" he is struck by the extreme malice and evil in the world. He is made afraid and indignant by each and every scene of abuse and crime he is confronted with in the Roman night. The climax of the night is when he confronts an unrepentant Aarfy after the said Aarfy pushed a girl out of a window to her death. Aarfy had raped her too. When the MP's come to the apartment, Yossarian is certain they're coming for Aarfy, but instead in an odd twist of justice they arrest Yossarian for being off the military base without papers, leaving Aarfy an apology for disturbing his room.
Keep in mind that Yossarian originally was going to go along with the deal struck him by Colonel Korn and Colonel Cathcart: Be court-m...