In the context of this discussion, the result has to be of value to someone else, that's all. Then you can haggle over how valuable it is. When it is for yourse

In the context of this discussion, the result has to be of value to someone else, that's all. Then you can haggle over how valuable it is. When it is for yourself, the currency is time and energy; you ponder how much to invest on one task versus another.