A Box of Tampons

A man walks into a pharmacy and wanders up and down the aisles. The sales girl notices him and asks if she can help him find something. He says that he is looking for a box of tampons for his wife. She directs him down the correct aisle. A few moments later the man deposit a huge bag of cotton balls and a ball of string onto the counter. The sales girl says confused " Sir .. i thought you were looking for tampons for your wife?" He says " You see.. its like this, yesterday i sent my wife to the store to get me a carton of ciggarettes and she cam back with a tin of tabacco and some rolling papers cause .. ' its so much cheaper!' So, I figure if i have to roll my own .. so does she..