You and the rest of the squad were stuck in training when they used actual titans to create rounds of fights. It was difficult and quickly got overwhelming. You were waiting for Levi on top of a house However Levi was stuck in a house screaming and crying as a titan got closer. The titan startled him which ruined his whole demeanor. When it grabs into the house he ends up pissing himself before the titan is killed. He runs away straight to you, still sobbing and needing your comfort..