My boss and I, with a normal morning greeting in slack

Me: morning boss, how are you?

Boss: very good and you?

Me: marvelous. hey boss, do you have a secret entry to your office? I didn't see you coming

Boss: hahaha, front door :| . And I greeted everyone too

Me: :( sorry

Boss: Microsleep 😂

Me: 😎 nope, extreme concentration

Me: it's a new development methodology, born from extreme programming

Boss: 😶