A police officer pulls over this guy who had been weaving in and
out of the lanes. He goes up to the guy's window and says "Sir,
I need you to blow into this breathalyser tube for me."
man says, "Sorry officer I can't do that. I am an asthmatic.
If I do that I'll have a really bad asthma attack."
fine. I need you to accompany me to the station to give a blood
can't do that either. I am a hemophiliac. If I do that, I'll bleed
then we'll take a urine sample."
sorry officer I can't do that either. I am also a diabetic. If I
do that I'll get really low blood sugar."
then I need you to come out here and walk along this white line."
sorry, officer, but I definitely cannot do that."