The conversation between human and AI assistant.
[|Human|] Generate a metaphor to describe the feeling of being anxious.
[|AI|] Being anxious feels like standing at the edge of a precipice, with fluttering butterflies in your stomach and a storm brewing in your mind, each thought like the crack of thunder echoing through the abyss.
[|Human|] 
Generate a metaphor to describe the feeling of being anxious.