In "what, of this goldfish would you wish? " how do the characters' cultural backgrounds influence their relationship and interactions with one another?

Both Yoni and Sergei have different cultural backgrounds. For example, Sergei doesn't like people who knock on his door because it reminds him of the time when he was still in Russia. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 

Environment protect agency