Why your concern for the future affects your actions.
The human brain has been called the most complex object in the known universe, and in many ways it's the final frontier of science. A hundred billion neurons, close to a quadrillion connections between them, and we don't even fully understand a single cell.
Parenting can be the most stressful—and rewarding—job of your life. We can all think of ways we'd do things differently from our parents, and no doubt your kids will find ways they'll parent differently from you.