But in that case, the sacrifice is twofold: being forbidden from seeing what is sacrificed for, on top of the sacrifice of a life.
Perhaps the more compelling argument for your condition is that it's not going to be large enough. Sacrificing one's life, in the end, means one doesn't have to deal with the sacrifice itself. It may be a painful decision, but it goes away quickly. On the other hand, living through a sacrifice means one has to accept that they are responsible for what is now gone. In a world with all else equal, one's own life is worth the same as someone else's. But when comparing either deliberately sacrificed, only one of them would introduce the associated guilt into the world with its absence.
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Perhaps the more compelling argument for your condition is that it's not going to be large enough. Sacrificing one's life, in the end, means one doesn't have to deal with the sacrifice itself. It may be a painful decision, but it goes away quickly. On the other hand, living through a sacrifice means one has to accept that they are responsible for what is now gone. In a world with all else equal, one's own life is worth the same as someone else's. But when comparing either deliberately sacrificed, only one of them would introduce the associated guilt into the world with its absence.