-You know you play too many video games when it gets close to your birthday and you think 'I'm nearly 18...I get to train soon!'
-You know you play too many video games when you ask your parents what your reward choices are after completing a chore, and wonder how your rep will benefit from it.
-You know you play too many video games when you laugh every time you hear someone say 'Leeeeeroy Jeeennnnnkinnnnnssss'.
-You know you play too many video games when you see exclamation marks over your teachers heads when you go up to collect an assignment sheet.
-You know you play too many video games when you find yourself killing critters (rabbits, chickens, cats, squirrels etc) just to hear the funny noises they make.