After experiencing the discomfort and embarrassment of a prostate test by the National Health Service, a guy decided to have this next test carried out while visiting friends in San Francisco, where the beautiful nurses are allegedly much more gentle and accommodating.

As he lay naked on his side on the table and the nurse began the examination.

"Don't worry, at this stage of the procedure it's quite normal to get an erection," said the nurse.

"I haven't got an erection," said the man.

"No, but I have," replied the nurse.