This article is also a wonderfully accurate synecdoche of real life: there is no grand plan. There is no "right" way, even if society really tries to push it on us. What hit me the most when maturing into an adult is the tiny echo chambers that are created inside social circles: family, friends, colleagues, communities each draw very strong, thick lines around what is deemed possible, good, right.
The biggest, and scariest, wake up call is that everyone is right, and everyone is wrong.