Perhaps because she is too sick to think straight, middle sister does not realize what has obviously happened to her—tablets girl has poisoned her. As such, she can only defend herself so much, which causes her mother’s imagination to run wild. Of course, even if middle sister knew the truth, there is no guarantee that her mother would believe her, especially given how far she is willing to take her theories. Notably, abortion was illegal in Northern Ireland during the 1970s, so illegal methods like poison were a common way to induce an abortion. Notably, middle sister’s mother automatically assumes that middle sister has brought her present suffering on herself, getting pregnant outside marriage and then attempting to illegally abort the resultant fetus. She does not recognize the possibility that middle sister has been the victim of an attack.