Dead Drunk

A man leaves a bar, gets into his car and drives away. 200 yards further he's stopped by a police officer.

- Officer: Good evening sir. We're testing drivers for drunken driving. Would you please blow into this machine?

- Man: I'm sorry, I can't do that. I have asthma. If I blow on that machine I will get out of air.

- Officer: Please come along to the office and we can give you a blood test.

- Man: I can't do that. I have anemia and if you stick a needle in me I will bleed to death.

- Officer: Then you'll have to get out and walk 5 yards along this white line.

- Man: Can't do that either.

- Officer: Why not?

- Man: Because I'm dead drunk.