Certification (1) Vacuum (1) Research (1) Nostalgia (1) Measurement (1) Loneliness (1) Life (1) Intimacy (Psychology) (1) Indexes (1) Id (Psychology) (1) Health (1) Friendship (1) Families (1) Experience (1) Emotions (1) Design (1) Adulthood (1) Factores (1) Salud (1) Intimidad (1) Vacío (1) Nostalgia (1) Certificación (1) Edad adulta (1) RED (1) Vida (1) Estudio (1) Índices (1) Soledad (1) Diseño (1)