If your hair is straight, you can model your long hair after celebs like Ashton Kutcher, Jared Leto, or Brad Pitt. With straight hair, there will be an awkward phase during the growing out stage when your hair is not quite long, but not quite short.
Also: 6 Myths About Losing Your Hair
During this awkward period, it’s a good idea to visit a stylist to get some layers cut throughout your hair to give it some shape. Don’t go overboard with the styling, as the whole point of long hair is looking a little less clean-cut and groomed.