Concerns the baby's mouth, such as sucking activities towards the breast or bottle. Mikey is always bottle fed and Mollie and James make sure he is always fed when needed on time so that oral needs are always met, which also increases the level of trust Mikey is building with Mollie and James. Mollie and James make sure to feed Mikey whenever necessary, which also helps with the Erikson theory of basic trust. Therefore, Mikey never develops habits such as thumb sucking, nail biting, and overeating. Ecological System Theory sees the person as developing within a complex system of relationships influenced by multiple levels of the surrounding environment (Berk, 2014). James is involved in Mikey's life more frequently than his biological father and takes on the role of father figure and male role model for Mikey. However, Mikey sees James as his ideal father. Mikey has a loving bond with James, who acts as Mikey's father in his life even though he isn't. Mikey wants his mother to make James his father since James is always around and has fun with him