23. The majority of a newborn infant's time is spent in sleep. At first this sleep is evenly spread throughout the day and night, but after a couple of months, infants generally become diurnal.
33. They broaden their social horizons and become more engaged with those around them. Impulses are channeled into fantasies, which leaves the task of the caretaker to balance eagerness for pursuing adventure, creativity and self expression with the development of responsibility. If caretakers are properly encouraging and consistently disciplinary, children are more likely to develop positive self-esteem while becoming more responsible, and will follow through on assigned activities.
42. Period of life between the onset of puberty and the full commitment to an adult social role. It is the period known for the formation of personal and social identity and the discovery of moral purpose.
49. During this period, the middle-aged may either feel a sense of contributing to the next generation and their community or a sense of purposelessness.