Remember brother, she didn't leave, she went. She just beat you to the holy land and is dining with Christ and waiting for you. You will be together again so says the Lord, God. She just won the rat race is all. You have my prayers.
Most sincere condolences to you and family,
GOD has lifted a burden from her that she could no longer carry, he will do the same for you in this trying time if you will trust in him and put it in his hands.