Explain the usefulness of this when dealing with everyday experience, and post an example where this would be helpful.

Many people cannot see the point in being detached or in feeling neutral to both pleasant and unpleasant things in the world. But sometimes the Buddhist logic is inescapable. The concept of no-self is perhaps the most difficult idea in Buddhism. What is this concept? Explain the usefulness of this when dealing with everyday experience, and post an example where this would be helpful.Related to this, some people may think that the concept of detachment or no-self leads to a depressing and bland life. You may change your mind when you watch the following video on Happiness:http://www.ted.com/talks/lang/en/matthieu_ricard_on_the_habits_of_happiness.htmlHow does the speaker relate happiness with belief and behavior? How could his discussion be applied to everyday life (whether one is a Buddhist or not)?