Looking back is not the answer to the disappointment of wading through the ark when you have arrived at your destination, even though your destination is barely in line with expectations. Sometimes the results are only part of an unpleasant process, but the process is certainly a necessity to go through if you want to reach an endpoint.
Hope is always there for those fighters who continue to be consistent in the path they have chosen, nothing is in vain. It's just that we need to repeat it for the umpteenth time, that's all!