It's normally a pain, it's humorless, but not always.
Coming out of Charlotte NC., I was sided, for treatment, being on an alien's passport (Great Britain).
Shoes off. Check
Stand on the mat. Check
Raise your arms. Check.
Lift your left leg. (?) Check.
Lift your right leg. (?) Check.
Look to the left. Check.
Look to the Right. Check.
Cough. I coughed ! HA HA WE GOT ANOTHER ONE.
Have a nice day, sir.
Well, it made both of our days.