100. Girls enjoy always having something kind of wrong, like a headache or cramping or something. Remember: No matter how bad it sounds, she's going to outlive you.

99. Most women will not have sex for the first time with a guy unless their legs are shaved. If your date shows up and you spot stubble, she's trying to keep herself in line.

98. No matter how much she reassures you, if you can't get a hard-on she assumes you're not attracted to her.

97. Beware of your girlfriend's single party friend or gay bud. They want her to be single with them and will encourage any bad behavior as often as possible.

96. Jewelry. Now you always knkow what to get her for a last-minute gift.

95. The sight of you in your socks and underwear is the biggest turnoff in the world.

94. Never trust a girl who has no girlfriends. She doesn't get along with other women because she's either bat-shit crazy or just plain mean.

93. Girls who say, "I love sports!" are lying. Girls who ask you what time the game is on, without specifying which game they're talking about, are not.

92. A random hookup is more likely to result in pregnancy, because a woman has more sex when she's most fertile.

91. She still has all the love letters and cards from her past boyfriends.

90. Just started dating? Women want you to drive, even if it's their car.