You blokes are blowing smoke out your bums!
I know because........
For 15 years my doctor has been cupping my balls- the 'cough test'.
At the end of my career, at my last medical, I felt free to ask the question.
'Listen, doc, er what's the story...er what's it prove?'
He replied, 'Well nothing really, I just like doing it'.
The filthy buggr
I wasn't game to ask him about the prostrate check. I was out of there.