If you don't discipline yourself to accomplish any task you want, jotting down your new year resolutions might just be a waste of time and energy.
Many fail to accomplish their new year resolutions, they get tired along the way because they fail to do the most important thing which is discilplining themselves to always accomplish their task.
Get an accountability partner if possible. That can help you to always do the work even when you don't feel like it.
Another important thing is that you need to have love and passion for what you're doing, that will make it to be much easier for you to accomplish your task and not see it as taxing.