That "Thanks, you too" thing gets me all the time.
Them: Enjoy your meal
Me: Thanks, you too!
My boss after approving a day off: Enjoy your day off!
Me: Thanks, you too.
Co-worker: Good Morning
Me: I'm doin aight
Co-worker:
Me: Hows it goin
Not me: Good and you?
Me: Good and you?