Proverbs 21:9: better to live on a corner of the roof than share a house with whom?

Answer: A quarrelsome wife

"Better to live on a corner of the roof than to share a house with a quarrelsome wife." Proverbs 25:24 repeats it.

“Better to live on a corner of the roof than to share a house with a quarrelsome wife.”— Proverbs 21:9 (BSB)