Are you happy with your life?

After watching this video in psychology lecture - Why are we happy? Why aren't we happy? (Dan Gilbert) I'm quite sure that contentment can indeed bring some form of happiness.

But I didn't know you can actually create sythetic happiness. If everyone are contented with their own lot in life, the capitalist system of economy will sure fail. Since the capitalist economy is still here, it mean that our wants are indeed unlimited. Maybe its our innate nature to keep wanting newer things?

Maybe that's why most people are never contented, thus never happy? (This is only based on the assumption that material wants can create happiness, there are always exceptions. So please don't terrorise my blog because of this article.)