If not what her niceness makes her think blameworthy, why does she blame herself?
An' her havin' to grow up a young lady with nothin' but niceness in her!
Safety is more to be respected than show or niceness for ease.
"I should be sorry to have her niceness all come out in looks," said Betty's mother.
She had never quite got over the lack of 'niceness' about those ploughs.