Until now, you might have vaguely thoughts of different subplots to add entertaining misadventures to your novel. You might have thought of subplots as the third wheel. You might have grafted subplots into your story to get a point across or to introduce a new character, or even to balance a slow pacing novel.
You are doing it all wrong!
Subplots are a vital part of your novel. They’re organic to the story, not added to it. Even more than that, one subplot is often the detonator that will catapult the story to the next level. It is the delayed gratification of your main story. It is not its dessert, but its staple. How?