Death is the final wake-up call.
First rule of Economics 101: our desires are insatiable. Second rule: we can stomach only three Big Macs at a time.
Man worships because God lays His hand to the dust of our experience, and man miraculously becomes a living soul - and knows it and wants to worship.
Born a saint, die a sinner - born a sinner, die a saint.
Smile, it's free therapy.
It's not a question of happiness, it's a requirement. Consider the alternative.