Studied how women argue in different relationship structures. Human Ss: 46 normal female German adults (average age 31 yrs) (22 living in heterosexual relationships, and 24 living in lesbian relationships). In a questionnaire, Ss had to provide information concerning the symmetry of their relationships, the styles of arguing, their anxiety toward arguing, and their happiness in the relationship. Findings were statistically correlated and discussed. Also considered was the sex of the partner for the manner of arguing and level of happiness in a relationship.