Every time you smile or laugh! Is the substance n-don fins, which are happy to pour out is equal to a specified row is arousing tun and hopefully good for everyone else. Gradually.
Every time you smile or laugh Endorphin is a substance. This is the message of happiness Pour out the urge I want to have the love and good will toward others and so on.
Every time you smile or laugh. A substance hemoglobin, which is a compound of happiness comes out of it a boost. With love and hope for the others to the appetite.