A man went to the doctor's office to get a double dose of viagra.
The doctor told him that he couldn't allow him a double dose.
'Why not?' asked the man.
'Because it's not safe', replied the doctor.
'But I need it really bad', said the man.
'Well, why do you need it so badly?' asked the doctor.
The man said, 'My girlfriend is coming into town on Friday; my ex-wife is coming on Saturday, and my wife is coming home on Sunday. Can't you see? I must have a double dose.'
The doctor finally relented, saying, 'Okay, I'll give it to you, but you have to come in on Monday morning so that I can check you to see if there are any side effects.'
On Monday, the man dragged himself in, his right arm in a sling.
The doctor asked, 'What happened to you?'
The man replied, 'No one showed up.'
