Dirty Joke - VIAGRA

The lady teacher asks the pupils what kind of medicines they know and what they are used for. The first pupil said: 'Tylenol.' 'Very good! And what is it used for?' 'It is used for headache.' The second pupil said: 'Nytol' 'Excellent. And what it is used for?' 'To help you sleep.' Now it is Runa's turn and she said: 'Viagra'. what is it used for?' 'I think it can be used for diarrhea.' 'Who told you this?' 'Nobody, but every evening my mother tells my father, 'Take a Viagra, maybe that little shit will get harder.' Runa