“…During the laboratory intake, participants completed several questionnaires including the 10-item Self-Esteem Scale (Rosenberg, 1965; e.g., “On the whole, I am satisfied with myself”; α = .89), attachment style (Adult Attachment Questionnaire [AAQ]; Simpson, 1990; 8 items for avoidant; e.g., “I’m not very comfortable having to depend on other people”; α = .74; 5 items for anxious; e.g., “I often worry that my partners don’t really love me”; α = .60), 3 relationship satisfaction (Rusbult, Martz, & Agnew, 1998; 4 items; “I feel satisfied with our relationship”; α = .82), commitment (Rusbult et al, 1998; 7 items; “I want our relationship to last for a very long time”; α = .81), trust (Dutch version of Rempel, Holmes, & Zanna, 1985; see also Muusses, Finkenauer, Kerkhof, & Righetti, 2015; 12 items; “I know that my partner will always be there for me and willing to offer me strength and support”; α = .83), and the Life Satisfaction Scale (Diener, Emmons, Larsen, & Griffin, 1985; 3 items; e.g., “I am satisfied with my life”; α = .86) on a 7-point scale (1 = strongly disagree , 7 = strongly agree ). Participants were also asked about the frequency of past sacrifices (1 item: “In the past 3 months, how often have you sacrificed for your partner?”; 1 = never , 7 = extremely often ).…”