In The Midrash
In Jewish thought and law, domestic harmony is an important goal; to this end, an early midrash argues that a wife should not leave the home too frequently.
The goal may even warrant engaging in a white lie. According to the Talmud, when God tells Sarah she will give birth to a son, she expresses disbelief, saying: "After I am waxed old shall I have pleasure, my husband being old also?" But when God speaks to Abraham, he says: "Why did Sarah laugh and say, 'Will I really have a child, now that I am old?" (Genesis: 18:12-13). The rabbis comment that God omitted Sarah's mention of Abraham's age out of concern for their shalom bayit.
Read more about this topic: Shalom Bayit