What does the following quotation imply about Mr. Shimerda’s feelings regarding the hard work Ántonia must do?

“Whenever I saw her come up the furrow, shouting to her beasts, sunburned, sweaty, her dress open at the neck, and her throat and chest dust-plastered, I used to think of the tone in which poor Mr. Shimerda, who could say so little, yet managed to say so much when he exclaimed, “My Án-tonia!”

Book 1 Chapter 17