How often do you find yourself laughing?

Some say laughter benefits humans aplenty. It kicks away stress which improves your blood pressure, makes you attractive, lovable and fun to be with. Generally, it promotes a sense of well being and happiness.

So how often do you laugh? If you feel you are not doing it enough, do you feel bad about that? How much laughter do you think a human being should have in his or her life?

How could people laugh more often without trying too hard? And are there people out there who never laugh at all? Do you find it inappropriate when people laugh at their own miseries?