Opinions expressed by Entrepreneur contributors are their own. When you’re a new business owner, you have a rush of energy and are excited to take on the world. You’ve got all of these great ideas and a vision of how things are going to work. You create your products, offer your services, do all the things and then something happens. You’re not as enthusiastic anymore. You start to see other people succeed that you deem less qualified, and you see people that started their business after you start succeeding before you. The frown lines start to form on your face, and it definitely feels like the world is unfair. It’s hard to keep going in your…