A joke about driver's license

A van crowded 14 people. A passenger said: you are overloaded, and many points will be deducted if you are caught! The driver turned his head and sneered calmly: Deduct points, you have to have a driver's license! Suddenly, the carriage was filled with countless panting voices ... Another passenger asked: Do you dare to drive without a driver's license? The driver said: nothing, I drank a catty of Erguotou at noon, so I'm afraid of nothing! Then another passenger said, why don't you take a driver's license? Driver: I am tm color-blind and my right leg is a prosthesis. How to take the exam?