How did Ivan Pavlov’s wife support his scientific work?

Ivan Pavlov’s wife, whom he married in 1881, played a vital role in his career by dedicating her life to his comfort and his scientific work. Despite the couple's initial poverty, which forced them to live apart early in their marriage, Pavlov credited much of his eventual success to her support. She was described as a domestic, religious, and literary woman who provided the stability necessary for him to focus on his research.1