Adulthood Psychological aspects 31 Aging 18 Adjustment (Psychology) 8 Interpersonal relations 8 Textbooks 6 Self-help techniques 4 Social aspects 4 Adult learning 3 Family 3 Learning, Psychology of 3 Longitudinal studies 3 Physiological aspects 3 Adult children living with parents 2 Age factors 2 Behavior 2 Children 2 Cognition 2 Langitudinal studies 2 Life cycle 2 Life cycle, Human 2 Parent and adult child 2 Parent and child 2 Young women 2 Counseling 1 Developmental psychology 1 Employment 1 Life skills 1 Married people 1 Personality and occupation 1