“…From a theoretical perspective, the "big build" model characterises escalating behaviours of avoidance, numbing, risk-taking, and anger or aggression as potential transdiagnostic markers of psychological distress (Brownhill, Wilhelm, Barclay, & Schmied, 2005). In the "big build" model, psychological distress is associated with difficulties in self-regulation including irritability and anger (Möller-Leimkühler & Yücel, 2010), which is especially true among younger adult populations (Fava et al, 2010;Massimiliano, Perret, Turecki, & Geoffroy, 2018), as well as problems with goal directed behaviour and motivation (Gillan, Kosinski, Whelan, Phelps, & Daw, 2016), and coping through use of substances (Lai, Cleary, Sitharthan, & Hunt, 2015).…”