Jack has been attempting to murder his half-brother by shooting poisoned darts at him, and his stepmother's behaviour of sucking the baby's neck is thereby explained: she was sucking the poison out.
Jack telah menembak panah yang telah dilumuri curare - racun yang mematikan - pada adiknya, dan perilaku ibu tirinya tentang mengisap leher bayi dengan demikian bisa dijelaskan: dia mengisap racun itu keluar.