Describe a scene where a character is feeling overwhelmed and stressed

Describe a scene where a character is feeling overwhelmed and stressed. Maybe they are in a crowded city street, surrounded by noise and bustling activity, and their thoughts are racing as they try to manage everything going on around them. The character might be gripping their bag tightly, looking around anxiously, and feeling like the chaos is closing in on them. They could be trying to push through the crowd, but each step feels like a struggle as their heart pounds and their breath quickens. In this moment, they are desperate for some sense of control and a moment of peace amidst the chaos.