There's a huge sociological issue that at some point that we all go through...
That is exactly right PROCRASTINATION. Yes that's right it's that feeling you get when you have to or want to do something, but you find every single excuse not to do it? 
The Three Ways Are Simple
Make a Schedule and Follow it .. We Desire freedom making a schedule and following it will increase our chances or urge to complete a task
Set Reminders ... You want to keep reminded your self so much until it is almost like you cannot escape what you want . Train your brain
Thing of the most negative outcome that can occur if you fail to do so & Think of the most positive outcome when you commit to your goal.