The Holy Prophet [s] said: "There is no (believing) woman who gives her husband a glass of water but it will be rewarded her better than the worship of one year during which she fasts on days and keeps vigil during the nights."
Wasa'il-ush Shi'ah, vol. 20, p. 172
The Holy Prophet [s] said: "It is to a woman to perfume herself with her best fragrances, wear her best clothes, and ornament herself with her best ornamentation in order to present herself available to her husband whether it is day or night."
AI-Kafi, vol. 5, p. 508
Imam Amir ul Mu'mineen Ali [a] said: "The Jihad (fighting in the way of Allah) of a woman is to afford pleasant company to her husband."
Nahjul-Balagha, saying No. 494
The Holy Prophet [s] said: "Allah, Almighty and Glorious, has said: 'Had I willed to gather the good of this world and the next for a Muslim believer, I would set for the one a humble heart, a thankful tongue, and a body patient in afflictions. (To a man I would give) a pious wife whom when he looks at he is delighted and who (she) protects herself and his properties for him when he is away from her."
Usul-i-Kafi, vol. 5, p. 327
Imam Sadiq [a] said: "Intensively is cursed (by Allah) the woman who hurts her husband and makes him grievous, but intensively is prosperous the woman who respects her husband and does not hurt him while she does obey him in all conditions."
Bihar-uI-Anwar, vol. 103, p. 252
The Holy Prophet [s] said: "Verily your best woman is she who is fertile, affectionate, keeps secrets, and is pious. She obeys her husband and is honourably dear among her kinsmen. When she is with her husband, she reveals her ornaments but conceals it from anyone other than him. She hearkens to his speech and obeys his commands. When she is in private, she dresses herself beautifully and is eager to offer him generously whatever he wants from her. She is usually ornamented (for him) and is not plain as men are."
Bihar-ul-Anwar, vol. 103, p. 235
The Holy Prophet [s] said: "From the prosperity of a Muslim man is that he has a pious wife, a large (comfortable) house, a pleasant mount, and a righteous child."
Bihar-ul-Anwar, vol. 104, p. 98
The Holy Prophet [s] said: "The Jihad (fighting in the way of Allah) of a woman is to afford pleasant company to her husband and the right of her husband over her is the greatest right of all people over her."
Bihar-ul-Anwar, vol. 103, p. 256