Studying the limbic system (our emotional brain) I now understand why people play games. Playing the game stimulates dopamine production. You get points by activating the seek and find mechanism and your dopamine surges each time you get the points. That happens with our FitBits activity counters too. We set a goal of 5,000-10,000 steps a day then keep checking to see how close we are to it. That little delighted Ummph we feel is as a result of our dopamine surging! It made me understand the infatuation process, because I fall into it quickly and out of it quickly and now I know why. Yay for natural highs!