dispassionately

dis·pas·sion·ate
disˈpaSH(ə)nət
adjective
not influenced by strong emotion, and so able to be rational and impartial.

synonyms: unemotional, emotionless, impassive, cool, calm, 'calm, cool, and collected', unruffled, unperturbed, composed, self-possessed, self-controlled, unexcitable

she dealt with life's disasters in a calm, dispassionate way, not influenced by strong emotion; dispassionately.