... Definitions and determinants of these reactions are different, as well as their outcomes. For instance, gratitude, defined both as a trait (McCullough, Emmons, and Tsang, 2002) and as a state to respond with a grateful emotion towards a received benefit (Emmons and McCullough, 2003), is reported to be correlated with various well-being indicators (Algoe and Haidt, 2009;Emmons and McCullough, 2003;Froh, Yurkevicz, and Kashdan, 2009;McCullough, et al., 2002;McCullough, Tsang, and Emmons, 2004;Wood, Joseph, and Maltby, 2009), whereas indebtedness, defined as "a person's feelings of obligation to repay another" (Greenberg and Wescot, 1983), is reported to be related with negative emotions and outcomes (Fisher, Nadler, and Whitcher-Alagna, 1982; Goei and Boster, 2005; Oğuz-Duran, 2020). Similarly, guilt is defined as a negative evaluation of a single act of behaviour, whereas shame is defined as a condemnation of the whole self, and therefore has been reported to be a more painful emotion than guilt (Lewis, 1971;Tangney, 1990;Tangney, Stuewig and Mashek, 2007). ...