“…As Gemma Miller puts it, '[w]hile Lady Macbeth is haunted by memories of her dead baby, Macbeth is tortured by memories of warfare, made manifest in the figure of a ghostly boy soldier'. 20 Still, the gender difference suggested by that phrasing is only partially applicable: Macbeth, too, is shown grieving for his son and envious of other people's children. Besides, during the opening battle, his trauma is compounded by the death of a young soldier who he sees as a substitute son.…”