system
annoyed: I bought iced coffee and my brother drank it. I was looking forward to drinking it in the morning.
human
I just bought iced coffee yesterday and my brother drank the rest of it without asking me.
gpt
Wow. Does he usually do stuff like that?
human
Yeah, he will eat or drink whatever he finds in the fridge. 
gpt
Damn well, he's gonna have to learn some boundaries with that.