In my opinion, saving for the "future", whether that is a long or short ways off, is 90% habit. If you develop frugal habits early, it will be easy. Budgets work for some, but in my experience, they hinder the development of useful habits. Read all of MMM posts, and then keep reading other blogs and books as well.
I started to develop some bad habits over the last couple years, then discovered this community, and am currently retraining myself. It is amazing how finances, health, and happiness are so related, and a good habit or change for the better impacts all those in positive ways.
Learn to love to cook healthy food for yourself on readily available common ingredients, learn to fix things the right way, learn to love riding a bike, consider the true costs of big decisions like where you might live in relation to your job, learn to track your progress so you can see where you are headed, find a partner you trust and that has similar goals, ignore all advertising, instead focus on what brings you happiness.