Advanced similes and metaphors to describe intense emotions and sensations.

Advanced Similes:
1. My heart was pounding like a jackhammer on a construction site.
2. My hands were shaking like a leaf in a hurricane.
3. My stomach felt like a washing machine on the spin cycle.
4. My mind was racing like a Formula One car on a track.
5. My breaths were coming in short bursts like a sprinter at the finish line.

Advanced Metaphors:
1. Fear was a dark cloud looming over my head, threatening to pour down on me at any moment.
2. Nervousness was a tightrope I was forced to walk, with the abyss of failure waiting below.
3. Anxiety was a weight on my chest, crushing me with its heavy burden.
4. Apprehension was a monster lurking in the shadows, waiting to pounce on me when I least expected it.
5. Dread was a pit in my stomach, threatening to swallow me whole.