Some Bali medicine men such as the man portrayed in the novel "Eat, Love, Pray" teaches a smile feel good meditation as part of his cultural spiritual practices. It's a technique that he claims pushes out all the negative energy because you are feeling yourself with positive energy.

The book "The Secret" by Rhonda Burnes also talks about the virtue of such a practice for feeling good which will in their philosophy attract more good.

So what do you think?