According to UrbanDictionary.com, "adulting" means: "To do grown-up things and hold responsibilities such as, a 9–5 job, a mortgage/rent, a car payment, or anything else that makes one think of grown-ups." 

Is a "failure to launch" a real problem for today's twentysomethings? Are millennials the first generation to make delaying growing up normal? Is the younger generation being unfairly stereotyped? What's really going on here?