The dentist starts to hook up the nitrous oxide, and the man objects.

No way! I can’t do the gas thing. The thought of having a mask on suffocates me!” The dentist then asks the patient if he has any objection to taking a pill. “No objection at all,”the patient says.“I’m fine with pills.” The dentist then returns and says,“Here’s a Vigra.” The patient says, “Wow! I didn’t know Vigra worked as a pain kller!” “It doesn’t,” said the dentist, “but it’s going togive you something to hold on to when I pull your tooth.”