Popular culture tends to frequently dramatize field sobriety testing. Popular characters on television, in movies and in books are asked (with surprising regularity) to recite the alphabet backwards and to walk a straight line while touching their nose with alternating pointer finger. Field sobriety testing is utilized by some law enforcement agents during drunk driving stops. However, breath and blood alcohol testing is utilized far more frequently.
You're 35 years old, and you're fairly set in your career at this point. You pride yourself on hard work. You've been getting promoted, your boss likes you, and you recently got a nice raise - which you plan to use to buy a bigger home for your family. Everything is going well, and you go out to celebrate.