Interstellar Cultural Exchange
A problem that we might have is the importance of food. There are certain things that I’m quite certain will be constant from culture to culture, and, barring the possibility of aliens taking control of their evolution in such a way that they no longer need to eat, I think food would be one of them.
People would be careful in the beginning, but eventually some people would break more and more quarantine and contraband laws, resulting in unusual fusion which we might not be able to predict.
“What’s this apple-looking thing I’m eating?”
“It’s actually an animal that sucks sap out of trees. Think of it as a vegetarian tick.”
“What is that?”
“It’s called chocolate, want some?”
***Two Hours Later***
“I see colors!”
“Chocolate is space cocaine. Got it.”
“Human, I have made gumbo using ingredients from my planet. Would you like some?”
“Isn’t your biome arsenic-based?”
“Want some chips?”
“Are you insane human!? That has SALT in it! Are you trying to kill me!?”