“…Both attachment theory and empirical studies have demonstrated that close parent-child relationships could provide adolescents with a higher sense of emotional security and social support (Bowlby, 1982;Chiang & Bai, 2022), which benefits adolescents' self-development, social adjustment, and psychological well-being (Guan & Sun, 2018;Reitz et al, 2006). Conversely, poor parent-child relationships may put adolescents at risk for internalized problems, such as anger and depression, and externalizing problems, such as substance use, problematic mobile phone use, and peer victimization (Cheung et al, 2019;Qiu et al, 2022;Rodríguez-Ruiz et al, 2023;Zhou et al, 2023). As for the adolescents living in boarding schools, parental absence made them feel more alienated and threatened their perceived parent-child relationship (Barclay, 2011;, which in turn led to their emotional difficulties such as loneliness, loss of attachment, or homesickness (Schaverien, 2011) and negative behaviors such as smoking or fighting (Moswela, 2006).…”