Read it through once
She did not think herself a genius by any means; but when the writing fit came on, she gave herself up to it with entire abandon, and led a blissful life, unconscious of want, care, or bad weather, while she sat safe and happy in an imaginary world, full of friends almost as real and dear to her as any in the flesh. Sleep forsook her eyes, meals stood untasted, day and night were all too short to enjoy the happiness which blessed her only at such times, and made these hours worth living, even if they bore no other fruit. The divine afflatus usually lasted a week or two, and then she emerged from her "vortex," hungry, sleepy, cross, or despondent.