Anticipate what might go wrong and be prepared for it. Acknowledge that you might be somewhat more uncomfortable as you go through the change process but be optimistic and expect that things will get improve. Suppose you need minor surgery. Slow and steady is actually more painful. Quick will also hurt but it is soon over with.
Comfortable misery is slow and steady.
It can be very distressing over time. It becomes more and more intense. Quick action can get you out of comfortable misery. It may be temporarily unpleasant as you change but life can get much better. You are no longer stuck.