We’ve all heard the tale of the glass that is filled halfway with water. The question is whether you consider it half-empty or half-full. The answer you give labels you as either a pessimist or an optimist, respectively. While I can see where that could be accurate sometimes, I think the answer really depends on how you handle stress or adversity. For example, you could be the biggest optimist on the planet, but if you were asked the half-glass question when your throat is parched, well, then you would likely think the glass half-empty, wouldn’t you? And, quite frankly, I…