How did Tim feel about the Vietnam war while he was at college?

While at college, Tim O'Brien had complex feelings about the Vietnam War. He experienced a mix of fear, confusion, and moral conflict, grappling with the war's implications and the societal debates surrounding it. O'Brien's exposure to anti-war sentiments on campus contrasted with his own sense of duty, leading to deep introspection about bravery and the nature of conflict. Ultimately, these feelings influenced his later writing, particularly in works like "The Things They Carried."