Man-woman relationships 487 History 217 Families 141 Women 121 Social life and customs 104 World War, 1939-1945 91 Murder 86 more ... Friendship 62 Adultery 61 Social conditions 59 Conduct of life 42 Married people 40 Sexual behavior 40 Fathers and daughters 39 Triangles (Interpersonal relations) 39 Love 38 Investigation 36 Revenge 36 Police 30 Gangsters 29 Criminal behavior 27 Kidnapping 27 Mothers and sons 27 Sisters 26 Young women 25 Fathers and sons 24 Female friendship 24 World War, 1914-1918 24 Marriage 23 Brothers 22 less ...