PROBLEM TO BE SOLVED: To provide a marriage support device capable of extracting a recommendation candidate, regarding a same-sex person selected by an opposite-sex person who has the same taste or a same-sex person who likes the same opposite-sex person as a linker, to increase the possibility of success in relationships on the basis of actual behavior data such as past applications for relationships.SOLUTION: A marriage support device includes processing means 30 for: extracting, as a first opposite-sex linker WL11, a person of the opposite sex who has a behavior history, such as a relationship application to an object person, from a behavior history database 12; extracting, as a first same-sex linker ML11, same-sex persons M12, M13, M14 who have behavior histories, such as a relationship application from the extracted first opposite-sex liner WL11, from the behavior history database 12; and extracting, as a recommendation candidate R10, opposite-sex persons W12, W13, W14 who have behavior histories, such as a relationship application to the extracted first same-sex linker ML11, from the behavior history database 12.SELECTED DRAWING: Figure 1
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