...you say "you too" at inappropriate times...

I have done this so many times...such is my life. 

I do it almost every time I go to the movie theater. It's just my inner polite awkward penguin pandering to everyone around me. 

Last time it happened, the cashier handed me my movie ticket and said, "Enjoy the show!"

The awkward penguin shot out of me, "Thanks, you too!" Then a split second later, my polite and overly eager smile dropped into a wince as I groaned and awkwardly ran away. 

That's basically how the situation generally goes each time, but I've "you too"'ed in several other situations including:

• when the waitress brings me my food and says, "Enjoy your meal,"
• when the person who takes your ticket says, "Have a good flight!"
• when I'm sick and someone says, "Get well soon!"
• when I'm leaving and someone says, "Drive safe," or "Have a good trip"