The First Rule of Happiness is...

Chuck is the guy who wrote Fight Club.

From Lifehack.org:

Are you truly happy? Do you even know what it means to be happy and what it takes to achieve happiness? These are important questions for anyone who is seeking happiness to ask themselves. I live my life to maintain my own happiness while trying my best to not cause unhappiness to anyone else. If you want to be happy you need to understand that you can be happy and that you should be happy. Many people make the mistake of believing that they don’t deserve happiness and accept their unhappy state as their destiny. The truth of the matter is that happiness, like anything else in life, needs to be nurtured. The following are a few tips that I follow to create happiness in my life.

Here are 9 tipes that can lead to happiness:

http://www.lifehack.org/articles/lifehack/9-tips-in-life-that-lead-to-happiness.html