I feel comfort knowing that Heavenly Father has designed this life so we might know joy. In our pre-mortal life He presented this plan where we each would have our own agency. It is a scary thing to most of us, because we knew we would make mistakes, affecting not only our own lives but also the lives of others. We knew that it would cause something called misery, and by knowing the bitter we would also know the sweet. Lucifer fought against this plan and took one third of our brothers and sisters with him. When I have been in the depths of misery, or a loved one is having a hard time, I take courage knowing that we are experiencing this wonderful plan to bring joy into our lives. By experiencing misery from our own hands, the hands of others, or even from natural occurrences, we know the bitter and it makes the joy that Heavenly Father wants us to experience a glorious thing.