This image recalls a personal experience I had when I was probably 6 years old, in the hospital with asthma. The kid in the room next to me was neglected by her family. She had defecated all over the bed. I was never certain what her story was, but I later learned that defecating (and often smearing fecal matter) in a space is a sexually traumatized child's way of attempting to claim territory as their own.