“…For example, comparative negative emotions, such as regret, or disappointment, are increased by so-called "counterfactual thoughts"; thoughts about what might have been. However, comparative positive emotions are increased by counterfactual thougths too (Koo, Algoe, Wilson, & Gilbert, 2008;Teigen, 1995Teigen, , 1997Teigen & Jensen, 2011). For example, happiness with their relationship was amplified after people thought about how things would be different if their partner was absent than when they thought about the presence of their partner (Koo et al, 2008).…”