Grow Up! (or at least act like it)

There are two types of adults.  Those who are adult by age only, and those who are adult through actions and thought.  The first group doesn’t act like adults, they just happen to be over 18 years of age, the second group may very well be 15, 16, or 17 years old, but have the maturity and thought process that makes them a “mental” adult.  How do you differentiate the two?  Marc and Angel help us out here.

Via Marc and Angel