I guess that's one of the reasons that you do it - work all the time - because it's sort of a high to find something that really works.
Maybe children just want whatever it is they don't get. And then they grow up and give their children what they wanted, be it silence or information, affection or independence--so that child, in turn, craves something else. With every generation the pendulum swings from opposite to opposite, stillness and peace so elusive.