Duck Sandwich's Law of Perceived Truth:
It's not what's actually true that matters, it's what everyone thinks is true that matters.
Duck Sandwich's Law of Aerobic Exercise:
If you don't have to worry about tripping in a puddle of your own sweat, you're not trying hard enough.
Duck Sandwich's Law of Conversation:
If you don't talk, people will ask why you don't talk. If you talk, the same people will ignore you.
Duck Sandwich's Law of Circumstance:
If you make plans to hang out with a friend a day before or on the same day, that friend will be busy. If you plan in advance to hang out on a day when they're not busy, either something will come up at the last minute and occupy them, or something will come up at the last minute and occupy you.
NewClassic's Law of Hanging Out
The more time you have to hang out with friends, the less they will be able/willing to hang out with you.
Duck Sandwich's Law of Courtship
If a woman shows interest in you, she will continue to do so until you show interest in her, in which case her interest in you will decline.
Duck Sandwich's Law of Retrospect
If you are put on the spot, you will think of something clever/witty to do/say long after you get the chance to do/say it.