“…Secondly, some related theories were applied to the study of sacrifice to explain the paradox. For example, ‘approach‐avoidance theory’ was used to define sacrifice motivation, and consistent results showed that approach‐motivated sacrifices related to higher relationship satisfaction, whereas avoidance‐motivated sacrifice led to a decrease in relationship stability (Impett et al ., ; Impett, Gere, Kogan, Gordon and Keltner, ; Impett et al ., ; Impett, Javam, Le, Asyabi‐Eshghi and Kogan, ). Moreover, some personal factors were given more attention in order to explore the mechanism of sacrifice, such as attachment style and self‐control (Findley, Carvallo and Bartak, ; Impett and Gordon, ; Mattingly and Clark, ; Righetti, Finkenauer and Finkel, ; Ruppel and Curran, ).…”