There is the great challenge for us as we navigate the valleys of pain, death, suffering, and hardship: not to give ourselves over to fear, but to believe and trust God while letting him comfort us (Psalm 23:4). Faith and confidence in God are the antidotes to fear, worry, and anxiety. Here is Lauren Daigle talking about trusting God in the midst of grief: https://www.youtube.com/watch?v=3t2Tf1Dqf7w.