"It's time to grow up"

"It's time to grow upEver heard that before? I know I have. But what exactly does "growing up" mean? Everyone interprets this in different ways but is there really a set way to "grow up"?I believe there are two things at play as we age. Maturity and this idea that we need to "grow up".Now don't get wrong, I understand that as years pass we take on more responsibilities. We are busier people and live faster paced lives. Sometimes there just isn't any time to do the things we did in our younger...