Really-pain is needed to make any gains? Maybe if we see or believe that things should be painful it is only logical that we should see them as such! And on the contrary, if we see things or feel that things are not painful, then maybe we are right in both sentiments.
Will things mean more to us if we associate more pain or less pain with them? Will the goal seem more satisfying or will it satisfy us just the same?
It all boils down to how you choose to see it! The results you want are just that- results and how you attain them, you can choose pain or not!