A primiparous client is on a regular diet 24 hours postpartum. The client's parent asks the nurse if they can bring some "special foods from home." The nurse responds, based on the understanding of which principle? This is permissible as long as the foods are nutritious and high in iron. Foods from home are generally discouraged on the postpartum unit. The client's health care provider (HCP) needs to give permission for the foods. The parent can bring the client any foods that they desire