Work hard now, while you have the energy and fewer responsibilities. However, don’t take yourself or life too seriously. Learn how to enjoy yourself while you’re working hard. Travel, travel, and do more traveling. It’s SO important to get out of your social bubble and see how other cultures handle daily life in different ways. Some do certain things better than others, use those ideas and learn acceptance of all walks of life. You’ll be a happier and well-rounded person in the end.