So sorry for your loss. At this time especially is it good to talk to God in prayer as he is the "Father of tender mercies and the God of all comfort" (1 Corinthians 1:3) and the "Hearer of Prayer" (Psalms 65:2)
He will being an end to all human suffering, pain and death very soon
(Revelation 21:3,4) www.jw.org