Martha told me about the anti - toxin and that it was risky , but that he was dead without it . I gave the okay as your second . When it did n't work , I sat there holding his hand imagining a world without him and a world where I had to tell you he was gone and I could n't . I knew you would n't survive that emotionally .

Possible answers: 1). It has worked for other people before . 2). They wanted them to suffer . 3). The risk was worth the survival . 4). They like to gamble .
Q: What may be the reason for okaying something so risky ?
3).