Have you ever asked God to take away a longing because it was just too painful to bear?
"From graduation from college at twenty-one until I was twenty-six I waited for Jim Elliot, wishing that I wouldn't want him so much. I had no promises from him or from God that we would ever be married, but I was hungry for him- no, I was ravenous. Instead of taking away my appetite, the Lord showed me the indispensable lesson of Deuteronomy 8, a review of Israel's wilderness experience. While they craved for the food they had had in Egypt, God have them manna. Manna was supernatural food, miraculously provided, and it was all they needed. But even a miracle did not stop the wanting of leeks, onions, garlic, watermelons, and fish. If He had given them what they naturally craved, they would never have learned to eat manna, they would never have acquired a taste for the bread which came down from heaven. God made them hungry on purpose- in order to humble and test them, to discover whether it was in their hearts to obey Him, and teach them what was far more important than leeks and onions: that man does not live by those things alone, but by the Word of the Lord."
-Elisabeth Elliot (The Path of Loneliness)