A father and his son were grocery shopping
when they came across a great display of condoms.
The son asks, "Dad, what's the three pack for?"
Father replies, "That's for when you're in high school:
two for Friday night, one for Saturday night."
The son asks, "What's the six pack for?"
Father replies, "That's for when you're in college:
two for Friday night - two for Saturday night
- two for Sunday morning."
Then the son asks, "What's the 12 pack for?"
Father replies, "That's for when you're married,
one for January..one for February...one for March...