Part of becoming a soldier is testing your limits. One very difficult training course is the tear gas endurance. Soldiers must stand in a tent full of tear gas, and then take off their gas mask. The sergeant asks them simple questions, but the gas is so powerful, it’s hard to answer. By enduring the pain of tear gas now, soldiers will be ready if they ever encounter the gas again in combat. The best question asked has to be, “What is your favorite Disney princess?”