Launching a natural products business will push probably push you to the brink at times, where you just wanna throw in the towel. But deep down you know you have to keep forging ahead, because you’re in this to introduce to the world a product you really believe in. So what will pull you through those dark days? David Simnick, cofounder and CEO of SoapBox, gives young entrepreneurs his heartfelt, expert advice for staying the course.