A petrol station owner in Dublin was trying to increase his sales, so he put up a sign that read, 'Free Sex with Fill-Up!'
Paddy pulled in, filled his tank and asked for his free sex. The owner told him to pick a number from 1 to 10. If he guessed correctly, he would get his free sex. Paddy guessed 8, and the proprietor said, "You were close. The number was 7. Sorry. No sex this time."
A week later, Paddy, along with his friend Mick, pulled in for another fill-up. Again he asked for his free sex. The proprietor again gave him the same story, and...