An analogy I'm rather fond of is comparing progress or healing to chopping down a tree. Each individual swing of the axe seems to have very little individual effect. However, if one keeps swinging, eventually the tree will go down. It will feel like there is no progress; if one judges the effectiveness of an individual  swing by whether or not it brings down the tree there is a huge set up for disappointment. When the three does fall, giving the credit to the final swing dishonors every other sw