Life in this world has its problems – tragedy, disappointments, heartaches, etc. If we ask why, the Bible answer is clear: We live in a fallen world. Christians face all the usual difficulties of life plus those tribulations which come are way simply because we are Christians.
Paul in his letter to the Christians in Rome offers two things which should help us keep everything in perspective. First, “I reckon that the sufferings of this present time are not worthy to be compared with the glory that shall be revealed in us.” (Romans 8:18) Second, “And we know that all things work together for good to them that love God, to them that are called according to his purpose.” (Romans 8:28) This does not mean that everything that happens to us in this life will be present but rather that God can make everything, no matter what, work out for our eternal good.
None of us like to suffer those things which go with living in a fallen world. We would not be normal if we felt otherwise. However if we will always keep in mind how wonderful heaven will be, it will help us through.