Paddys wife has not had an orgasm for the 15 yrs they have been married .
The doctor suggests that she may be overheating during sex and a cool breeze may help .
Being a bit tight , he decides not to by a fan , but asks his friend to waft a towel over them during the act .
After half an hour still no sign of success so his mate suggests swapping places . ' I'll have a try Paddy , you waft the towel '
Paddy agrees , and after two or three minutes Paddys wife has a moment of sexual pleasure for the first time in 15 years .Paddy turns to his mate smugly and says 'And that old mate is how you waft a bloody towel' !