If you want to relax the worry-tightened muscles in your face, let the half smile come to your face. As the half smile appears, all the facial muscle… - Thích Nhất Hạnh

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If you want to relax the worry-tightened muscles in your face, let the half smile come to your face. As the half smile appears, all the facial muscles begin to relax. The longer the half smile is maintained, the better. It is the same smile you see on the face