Complex sentence: Mate value is based upon the original concepts of Charles Darwin's (LINK PAGE) theory of sexual selection (LINK PAGE) and the social exchange theory (reference), based upon mate desirability and preferences, it underpins the formation of romantic relationships.
Split into simpler sentences: Mate value is based upon the original concepts of Charles Darwin's (LINK PAGE) theory of sexual selection (LINK PAGE) and the social exchange theory (reference). Based upon mate desirability and preferences, it underpins the formation of romantic relationships.