A child's natural predilection for awe of his father and honor of his mother: Kiddushin 30b-31a
Might a father refuse to redeem his daughter from captivity if she owns assets from which he is barred?: Ketuvot 47a
One who declares a gift to support his children after his death will want it to be increased if support becomes more expensive, even if he states a limit on the gift: Ketuvot 69b-70a
Spouse Relationships
Do we expect a man to support his wife once they have kiddushin despite the lack of a legal duty, for psychological reasons: he doesn't want her to be disgraced by poverty, even though their relationship is not yet finalized?: Ketuvot 53b
Does a man, planning for after his death, care more about the future financial independence of his widow or his daughter?: Ketuvot 43a
Does a man, planning for after his death, care more about the future degradation of his widow or his daughter?: Ketuvot 43a
When a man buys clothing for his wife, is it with the mindset that this is only because he expects her to wear it while married to him: Ketuvot 54a
In-Laws
Parents-in-law are less likely to stay by their son and his wife than by their daughter and her husband, because of the fear of their daughter-in-law becoming upset at them and causing them to leave: Eruvin 86a
A man might refuse to give his daughter a large dowry for his grandsons to inherit, out of spite, if his son-in-law will not pass along the ketubah payment to those grandsons: Ketuvot 52b
Does a woman lose her ketubah for cursing her husband's parents in front of him, or in front of his children: Ketuvot 72a, 72b