“…In contrast, while it is clear that gratitude and indebtedness are distinct emotions that co-occur after receiving benefits (Algoe, Gable, & Maisel, 2010;Peng, Nelissen, & Zeelenberg, 2018Tsang, 2006b;Watkins, Scheer, Ovnicek, & Kolts, 2006), indebtedness received far less attention in the literature. Meanwhile, recent insights also suggest that reciprocal behavior could actually be attributed to indebtedness rather than gratitude (Greenberg, 1980;Peng et al, 2018), or at least indebtedness has a complementary role in shaping reciprocal behavior (Algoe et al, 2010;Naito & Sakata, 2010;Tsang, 2007;Watkins et al, 2006).…”