1)
What is the meaning of "Lifnei Hashem"?
1.
Radak #1: In front of the Urim v'Tumim [Malbim - and Kohen. The first Bris was just between the two of them.]
2.
Radak #2: Hashem will always be between us.
2)
Why does it repeat that David dwelled ba'Chorshah?
1.
Malbim: He planned to leave. After Yehonason strengthened him, he decided to stay.
3)
Did Yehonason truly return to his house?