You think that you exist because youre unhappy. Other people exist merely as a function of their problems and spend all their time talking compulsively about their children, their wives and husbands, school, work, friends. They never stop to think: Im here. I am the result of everything that happened and will happen, but Im here. If I did something wrong, I can put it right or at least ask forgiveness. If I did something right, that leaves me happier and more connected with the now.

Paulo Coelho
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10 Common Mistakes That Prevent You From Being Happy and Healthy Today, Backed by Science