"Your teeth look good, have you made any diet changes?" - Dentist
"Yeah, I don't eat poppy seed bagels anymore, don't want to lose my job. Oh, and no novacaine, same reason. Just get started until I pass out from the pain."
There's a huge difference between popping pills and having a local anesthetic. To even attempt to compare the two is being disingenuous at best. It's not even something prescribed to take home.
