You need to understand the underlying issue of why you're not completing them. Too busy? Procrastinator? Etc. Other answers are methods that may have worked fo

You need to understand the underlying issue of why you're not completing them. Too busy? Procrastinator? Etc. Other answers are methods that may have worked for them (and likely didn't even work for them). You can't apply all those tips, so what really is most relevant to your issue? I'd check out "The Now Habit" to understand some patterns of why you might be getting demotivated.