Have you noticed that our gut hardly -- if ever -- fails us? It's when I have opted to go against my better instincts that I've ended up regretting decisions. That's not to say our gut will never lead us astray, but that seldom happens. The reason why we should listen to our gut feelings is simply because no one knows us better than we know ourselves. Whenever I am prodded by other people to do something that goes against my very nature -- take a different route to the mall, drink a different kind of beer, try my hand at a new game -- something goes wrong. That's partly the reason I am resistant to change -- and to others' efforts to get me to do something I may not feel comfortable with. I have an acute sense of what I like and don't like, and it's only become sharper with age. I'm sure many of you feel the same way. I'm in no way insinuating that you should always object to trying out new things and experiences. But human beings are g...