There are many givens in life, not the least of which is the fact that people will disappoint you . It can happen when least expected, and the ones who let you down are often the last people you'd expect to do so -- like friends, family, and close co-workers. This is no reason, however, to sulk, walk with your head down. and give in to cynicism. Life is isn't so much about what happens to you, but how you react to what happens to you. Experience teaches us how to cope with disappointment so that the next time we find ourselves in a similar situation -- whether we're dealing with the same person or someone else -- we won't be so quick to make the same mistakes. No one likes to get hurt, but it's just a part of life. People are mostly out to benefit themselves -- to say otherwise is to be untruthful. There's a reason why most of us have only a few select friends. I, myself, have just three really close ones, all of whom were groomsmen at my wedding. Bu...