To see or not to be!

How often do we find ourselves hooked on to people and travel that extra(ordinary) mile out of our way to emulate stuff that they like/do/take interest in/detest and so on? Why? Is this human nature? Everything in life starts revolving around that one person – who (thankfully or otherwise) could be of the same make as us! Am I the lone last-man-standing who feels this way?