During all police investigations it will be necessary to visit a strip club at least once. During a very emotional confrontation, instead of facing the person you are speaking to, it is customary to stand behind them and talk to their back. Even when driving down a perfectly straight road, it is necessary to turn the steering wheel vigorously from left to right every few moments. Everyone knows the words to every song you want to sing and will sing along with you. They can even carry the solo part so that they can sing the song back to you, even if they have never heard the song until you sang half of it.
Guns are like disposable razors.
If you run out of bullets, just throw the gun away. You can always find a new one laying around the next time you need one. Having a job of any kind will make all fathers forget their son's eighth birthday. If you decide to start dancing in the street, everyone you bump into will know all the steps. If your town is threatened by an imminent natural disaster or killer beast, the mayor's first concern will be the tourist trade or his forthcoming art exhibition.