“…Optimism has also predicted changes in dietary behaviors, body fat, and aerobic capacity (Shepperd, Maroto, & Pbert, 1996;Tinker et al, 2007). Studies have also found that happiness is associated with physical activity/exercise (Carter, 1977;Courneya et al, 2003;Koopmans, Geleijnse, Zitman, & Giltay, 2008;Stevinson et al, 2009;Strauss, Rodzilsky, Burack, & Colin, 2001;Stubbe, de Moor, Boomsma, & de Geus, 2007).…”