I've been out of work for the past month (bad back) and I've been hooked on this "Perfect Proposal" show where guys go out of their way to propse to their girlfriends. I keep amazing myself when I find myself chocked up when the moment happens on tv :b It's such a normal thing, yet when you think about it, it's the strangest. Why do we cry when we are happy? Is there some sort of mix up in the brain when we are so happy that we start crying? Is it an overload of emotion that accesses the tear ducts? Is there a scientific explanation, or is it all just a mystery?