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If you've never stumbled across the greatness that is Modern Drunkard magazine then you're not doing it right. One cannot put a price on the education garnered through a subscription, or the wisdom imparted from perusing the web-based repository of knowledge. If you've ever lifted a glass, popped a cork, or opened a bottle this publication is your bible.

15. If you offer to buy a woman a drink and she accepts, she still might not like you.
16. If she buys you a drink, she likes you.
17. If someone offers to buy you a drink, do not upgrade your liquor preference.
18. Always have a corkscrew in your house.
19. If you don't have a corkscrew, push the cork down into the bottle with a pen.
20. Drink one girly drink in public and you will forever be known as the guy who drinks girly drinks.

The 86 Rules of Boozing. (Modern Drunkard)