An excerpt from: "Christianity.com" entitled, "How Are Those Who Mourn Blessed?" by Candice Lucey, states: "One cannot mourn unless he has lost something. What is worth mourning over for the Christian? What is the one irreplaceable gift? This is the favor of God, the blessing of his presence and his love. And he has promised never to take it away."
This article may be viewed at: How Are Those Who Mourn Blessed?/Christianity.com
Reference: 1 Corinthians 7:30