 The second step is to note that in the class of nonidentity cases that most seriously challenge the person-based intuition agents did have some way of making things better for the person who has been brought into a flawed existence. Thus, nothing in the laws of physics or metaphysics or in the acts of other agents bars the agents in the slave child case from not entering into the slave child contract and still following the identical timetable for conception they in fact followed and bringing into existence as a non-slave the very same child they in fact brought into existence as a slave. 