This explains in my opinion why she ended up ending herself.
My theorie is that she was in the middle of a war. The reason she wouldnt go outside was because there were either soldiers, or disconfigured bodies outside. So she hid in her room for days and days and days, afraid of whats outside.
In her dreams, she saw the horrors that were around when she was awake. Disconfigured bodies, dead freinds and family, people dieing in front of her (The knife effect), women and children being raped and kid-napped (The fetuses and such) and others. Her other dreams are her thinking of her past life, before the war, as its the only way she can become happy anymore.
Her TV doenst work because the TV stations have been shut down by the military.
But her mind becomes corrupted with thoughts of the war, and the hatred, and the murder. Every day she has a choice to walk outside and look around, but all she sees the sky, because thats all she wants to see. She has gone insane.
She begins to take out her anger on people she loved in her dreams. The knife signifies how she rips and kills people, and the other affects are things she saw when she was outside in the war, and some are even her past memories (Getting her hair done, ect ect...)
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