No single decision you ever made has led in a straight line to where you find yourself now. You peeked down some roads and took a few steps before turning back. You followed some roads that came to a dead end and others that got lost at too many intersections. Ultimately, all roads are connected to all other roads.
European nations began World War I with a glamorous vision of war, only to be psychologically shattered by the realities of the trenches. The experience changed the way people referred to the glamour of battle; they treated it no longer as a positive quality but as a dangerous illusion.