Answer:
I am a quiet person when I am around people that I don't know. I am not unfriendly but I feel anxious sometimes if I don't know them. I was called rude by someone because I kept to myself at a party. I was unfairly judged because I was quiet.
It could be a metaphor since you are comparing them to reptiles without using like or as.
Can you upload a picture of the chart plz?