1)
Why did He say "Azavti Es Beisi Natashti Es Nachalasi"?
1.
Radak: Hashem speaks like a man bewailing the loss of his house (Beis ha'Mikdash) and inheritance (Yisrael - "Yakov Chavel Nachalaso" (Devarim 32:9).
2.
Malbim: I will be forced to destroy the Beis ha'Mikdash.
2)
What is "Yedidus Nafshi"?
1.
Rashi: It is My treasured nation. Radak I loved her intensely.
3)
Why did Hashem gave Yisrael over into the hand of her enemies?
1.
Radak: It was due to her sins, even though I loved her intensely.
2.
Malbim: I hated her, after I loved her.