Man-woman relationships 309 Families 85 Friendship 46 Social life and customs 39 Women 36 History 31 Adultery 23 more ... Male friendship 21 Married people 21 Triangles (Interpersonal relations) 21 World War, 1939-1945 21 Fathers and sons 20 Love 19 Mothers and daughters 19 Conduct of life 18 Fathers and daughters 18 Murder 18 Marriage 17 High school students 16 Sexual behavior 16 Teenagers 16 Interpersonal relations 15 Death 14 Employees 14 Siblings 14 Investigation 13 Mothers and sons 13 Rich people 13 Sisters 13 Vacations 13 less ...