An old man of 82 years goes to the doctor for his yearly physical check up. His wife also accompanies him during the visit to the hospital.
The doctor suggests the old man for some tests and says, “Sir, I need your urine sample, a stool sample and a sperm sample to take the check up ahead .”
The hard of hearing old man , asks his wife , “What does he need?”
His wife tells him, “Darling, all he needs is your… underwear.”