No infant earns being fed. Nobody stands over a cot running a cost-benefit analysis first. It was settled before you had done anything at all, in either direction.
Somewhere after that, most people pick up the idea that worth is a running total — output, usefulness, being easy to be around. Then a bad quarter starts to feel like an existential downgrade. But that original ruling never gets reopened. Whatever this particular week has looked like, the thing that made you worth feeding at three days old is still entirely the case.