Someone who knew what he was talking about once remarked that
pain was the touchstone of all spiritual progress. How heartily
we A.A.'s can agree with him. . . .
TWELVE STEPS AND TWELVE TRADITIONS, p p. 93-94

When on the roller coaster of emotional turmoil, I remember that
growth is often painful. My evolution in the A.A. program has
taught me that I must experience the inner change, however painful,
that eventually guides me from selfishness to selflessness. If I
am to have serenity, I must STEP my way past emotional turmoil and
its subsequent hangover, and be grateful for continuing spiritual
progress.