In fact, we don't grow into the full adult we were of course until mid to late 20's-if not later.
In many cases, though, borrowing by way of parents may be the smartest action you can take. I know this can be a boring thought. A Wrinkle in Time is simply the first book in this interesting world. https://Inspiredcollectors.com/component/k2/author/9718-whyeveryoneistalkingabouttheseyabooksrightnow