We just need to grow up

As children, we craved for toys.
As teens, we craved for love  and laughed about the days when we craved for toys.
As adults, we crave for money and power and laugh about the teen days.
When will we grow up further so that we crave for something beyond and we laugh about the days when we craved for  money and power.

Isn't it just another childishness that we are all living in today? Isn't it just another growing up that we all need to accomplish ?