It's something Josh will be able to talk about someday. For now...it's alright that Han doesn't get it. Either Chris will fill him in eventually or Josh will. Or he'll be on the receiving end of one of Josh's awful hallucinations or nightmares and he'll find out that way. For now it's not something he needs to worry about.

"Eh? You don't have to. I told you a while ago man. That's just like. Slang. Where I'm from. We don't have to be family to be bros. It's its own thing. It's like. Close friend. Sorta thing. I use it a lot."