What makes us tick?

As I have analyzed and studied and just observed in general the varying natures of friends, family and colleagues , I have come to the realization that it is a plethora of factors that create the person we are at any given moment of our lives. There are those who are side liners, who sit and observe and sometimes fail to participate in activities and in life as well. Those who are so actively involved that it seems no one else can approach...