Is there really one in our body? Or, maybe it's just a wacky, weird word play on the actual "humerus" bone. Who says Science and Literature don't mix, right? Be that as it may, having the ability to laugh with (note, not "at") others is a great habit to groom, polish and whatever else you do for general sanity check. Laughing apparently releases endomorphins or "feel-good" chemicals in our body- that's what researchers say, not me. So, anything from clowns, funny shows, even if a pathetic physical tickle is what it takes to get a smile, would be fine. Now, bear with me on this laziest one in the history of analogies. Imagine you're at the bottom of a hill. Ready, set, this would your starting position. Moving up, have you noticed how it's so easy to laugh at external things, but not at ourselves? But, if we do want to get there, we got to travel a long way to taking ourselves a little less serious than others do. Rea...