Every cloud has a sliver lining

'I am afraid that the sperm tests confirm

Oligospermaesthenia.'

.....'Yor what Doc?', Keith said looking confused.

.....The Doctor, in his best bedside manner, said, 'it

means that your gun only shoots blanks.'

.....Keith, smiling, said, 'Can I have that in writing?

.....'Yes but why?' It’s my licence for shag heaven.'