“…Experimental evidence reveals that nostalgia serves three vital intrapersonal and interpersonal functions (Sedikides, Wildschut, Routledge, & Arndt, 2015). First, nostalgia fulfils a self‐oriented function by augmenting self‐esteem (Hepper, Ritchie, Sedikides, & Wildschut, 2012; Wildschut et al., 2006), boosting optimism (Biskas et al., 2019; Cheung et al., 2013), and facilitating psychological growth and authenticity (Baldwin, Biernat, & Landau, 2015; Baldwin & Landau, 2014; Stephan et al., 2012). Second, nostalgia serves an existential function, as it sustains perceptions of meaning in life (Routledge et al., 2011; Routledge, Wildschut, Sedikides, Juhl, & Arndt, 2012; Sedikides & Wildschut, 2018; Van Tilburg, Igou, & Sedikides, 2013) and instils self‐continuity (i.e.…”