"Doctor, Doctor, You've got to help me - I just can't stop my hands from shaking!" "Do you drink a lot?" "Not really - I spill most of it!"
"Doctor, Doctor, You've got to help me - I just can't stop my hands from shaking!"
"Do you drink a lot?"
"Not really - I spill most of it!"
* How do you know when you run out of invisible ink?