He wants to see us mature and grow into our full potential as His heirs. Every day of our lives God is working for our good towards the goal of perfecting the faith that He has authored. Surely he was thinking of some of the difficulties he lists in chapter 11, as well as his own shipwrecks, hunger, tired nights, beatings, and physical complications. Our difficulties are not purposed to destroy us. They are allowed in order to make us great, teaching us to respond in love and revealing areas that need more work.
Failure can be one of our greatest teachers.
Some, under the influence of our fast food society, are waiting for that to happen. We want instant wholeness. But God will never treat us like objects. We aren't robots to be programmed at His key punching. We are human beings created in His image.