I love this so much! I'd suggest if you can't take a walk (say in winter) walk around your house with your ear buds in, and pace. The music will help stimulate your walking pace and increase blood flow to your brain to keep you thinking! I do this all the time and it helps! ☺
This Hub explains how a writer who has never written a full-fledged Book nor had one published, can save money and write a better book. It references my book called A Poor Mans Guite to Writng and Publishing a Book.