Othello is about a man who wrongfully suspects his wife of infidelity, becomes consumed with jealousy, and murders her. what is most likely the significance of the lines in the passage to this plot?

by William Shakespeare (excerpt) DUKE. Say it, Othello. OTHELLO. Her father loved me, oft invited me, Still question'd me the story of my life From year to year, the battles, sieges, fortunes, That I have pass'd. I ran it through, even from my boyish days To the very moment that he bade me tell it: Wherein I spake of most disastrous chances, Of moving accidents by flood and field, Of hair-breadth 'scapes i' the imminent deadly breach, Of being taken by the insolent foe And sold to slavery, of my redemption thence And portance in my travels' history; Wherein of antres vast and deserts idle, Rough quarries, rocks, and hills whose heads touch heaven, It was my hint to speak—such was the process— And of the Cannibals that each other eat, The Anthropophagi, and men whose heads Do grow beneath their shoulders. This to hear Would Desdemona seriously incline; But still the house affairs would draw her thence, Which ever as she could with haste dispatch, She'ld come again, and with a greedy ear Devour up my discourse;