 Because of their central concern with meeting needs, care ethicists have identified different goods generated by different types of caring relationships; for instance, according to Ruddick, the three main aims of mothering are to protect the child from physical harm, to foster her physical, emotional and intellectual growth and to socialize her (Ruddick 1989). To fulfill such aims, and especially the second two, one has to provide a mix of material and non-material care-giving. Care ethicists in general have not operated with the distinction between material and non-material care-giving. This distinction is crucial for establishing which are the goods that can be uniquely realized in caring, and, more generally, in personal relationships. And some have proposed definitions of care that indirectly exclude some of the personal relationship goods from the scope of care. For instance, according to Engster, care is