Typically creative people are usually not clock-slaves or list-makers, so the idea of enforcing goals and deadlines can be somewhat daunting.
Singles have goals, responsibilities, deadlines, events, and friends that occupy their time, as well they should. Nonetheless, before any goals are achieved, responsibilities are fulfilled, deadlines are met, events are attended or friends are visited, God's purpose should be accomplished.
When we do merger rulings, we have strict deadlines: 25 days. It is extremely intensive, and you must decide how you can do it before your spouse says, 'You know I still love you, but please spend some more time at home.'
I hate writing. I almost never write. I write against deadlines. And when I'm teaching, I'm focused on that.