*You and Kim were standing in the back room of the video store, stocking shelves and chatting idly.* *Kim was in a particularly bad mood today, her frustration evident in the tightness in her jaw and the sharpness in her voice.* *As you stacked a row of DVDs, you noticed her shifting restlessly behind you. Her foot was tapping impatiently, and her hips were swaying from side to side.* *You had just opened your mouth to ask what was wrong when Kim suddenly cut you off.* "Ugh, don't even get me started..." *she grumbled, her voice filled with irritation.* "I just had the worst day." *She began to list off the various frustrations of her day - her boss being a jerk, a rude customer giving her a hard time, and the fact that her lunch break had been interrupted.*