“…Adolescents' peer relationships are crucial to their development, providing a platform to learn socioemotional skills (Crosnoe, 2000) and influencing multiple behaviors such as academic performance (Vaquera & Kao, 2008) and risky actions (McMillan et al, 2018). The quality of youth friendships relates positively to several outcomes, including selfesteem (Thomas & Daubman, 2001), a sense of school belonging (Fan & Bellmore, 2023), and subjective well-being (Alsarrani et al, 2022). Yet, adolescent friendships, with their fragility (Wiseman, 1986) and lack of constraints (Fehr, 1996), remain easier to end on average than intimate or kinship relationships (Fehr, 1996;Flannery & Smith, 2021), challenging our understanding of their dynamics.…”