The next time you're in an emotional slump, stop slumping. Yes, it sounds corny, but walking with a little bounce and swinging arms may make you more likely to remember the positive, according to a recent small study in The Journal of Behavior Therapy and Experimental Psychiatry.
http://www.huffingtonpost.com/2015/04/23/easy-ways-to-streamline-routine_n_7110574.html