Abstract
Recent studies show that both physical and personality characteristics influence mate choice. Two theories explaining particular mechanisms of mate choice were proposed.
Theory of homogamy suggests that individuals prefer partners with similar personality traits as they have. In contrast, theory of complementarity states that people choose mates with opposite personality traits; these relationships last shorter.In contrast, theory of complementarity states that people choose mates with opposite personality traits; these relationships last shorter.
Main aim of the current study was to test homogamy and complementarity of personality traits in long-term same-sex male couples.