To learn new things is beneficial at any age, and any kind of learning can benefit other aspects of your life. For instance, taking music lessons can increase your language skills. If you’re interested in a topic, study it. If you’d like a new skill, practice it. Your life is ever-changing and infinitely complex, and your ability to experience it depends on your willingness the learn. The more you learned, the more you live.
Embrace failure and confusion. When you are learning a new thing, you are entering into unknown territory. Allow yourself to experience the confusion of unanswered questions and unfamiliar parameters. When you study a new topic, don’t look up answers to your questions right away. Instead, spend some time trying to figure the answers out on your own. This kind of trying (and failing) helps you better understand what you are learning.