I would say what it takes to participate sports and working out have a lot of similarities when it comes to learning a language. You must practice and take it seriously. Yes you don’t have to be strictly dedicated to just one thing and block out other activities you have to do but, you must put the time and effort in to accomplish the end goal and both activities like taking a language course require help and guidance. You can’t do everything on your own. You need someone to break things down step by step and you must start from the beginning before you move ahead and learn something else because each step is critical.