This I believe is the secret to success: Gratitude. Maybe Tiger Woods quote 'The more I practice, the luckier I get' could also read 'The more grateful I am, the happier I get'! This is a great Inc article:
If you're not exercising this emotional muscle, you're probably setting yourself up for failure. Getty I'm utterly convinced that the key to lifelong success is the regular exercise of a single emotional muscle: gratitude. People who approach life with a sense of gratitude are constantly aware of what's wonderful in their life.