An elderly man is in an hospital bed wearing an oxygen mask over his mouth.
‘Nurse’, he mumbles.
‘Are my test!cles black?’
Nurse raise his gown, hold his pen!s in one hand and his test!cles in the other.
She take a close look and says ‘there nothing wrong with them sir’.
Elderly man pulls off the oxygen mask, smile at her and says very slowly,
‘ Thanks for that, it was lovely but listen very very carefully,