She, the song singer, had lost her son to a terrible person, to the Purple Guy Means it won't be long before she is controlled by her guilt and is dragged down by the fact that it was her fault that her child is dead “It won't be long before ill become a puppet”
It won't be long before I'll become a.
She’s feeling two things at the same time, the fact that she is angry at the man behind the slaughter and wants revenge, and wants to die due to being haunted by guilt and depression, making her suicidal, then have someone to avenge her and her child after her death, leading her to confusion. The mother is so depressed with the death of her son the only thing she can do now is wait for her own death