W2 If I go backwards, to work p1 becomes the negative from what I had p2 calculated before, so this becomes minus what I calculated before for w2.

应该是,总功等于,减去,等于。

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On the other hand, if the balance from here on out would've been negative, then it's good for me that I died now instead of being kept alive with a life not worth living.

另一方面，如果从现在开始计算其结果是负数，那么我现在死去就是好事,因为我不用不值地活着。

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