How do the words happiness does indeed have a meaning,doesn't it in relation to the story

Ramatoulaye gets married, but the union is not a happy one as she is later replaced by a much younger wife.

When Jaqueline finds out her husband, Samba Diack, is unfaithful, she becomes extremely sick with what she eventually learns is depression.

Ramatoulaye is happy as a mother and loves her children.

Ramatoulaye and Aissatou find happiness in friendship.