The context of the following conversation is Kai was on vacation for a week, so Taylor volunteered to open Kai's store while they were gone.:
Taylor says I had to keep Kai's store open and run things while he was gone..
The friend responds He clearly must trust you a lot..
Taylor responds Yeah, I'm trying to get a promotion so this will be a good chance to prove my worth..
The friend responds Don't disappoint him then. Why did he leave anyway?.
Taylor responds He was going on vacation for a week..
The friend responds The good mood factor might play a role in your promotion then!.