Action seems to follow feeling, but really action and feeling go together; and by regulating the action, which is under the more direct control of the will, we can indirectly regulate the feeling, which is not.
Could the young but realize how soon they will become mere walking bundles of habits, they would give more heed to their conduct while in the plastic state.
Do something everyday for no other reason than you would rather not do it, so that when the hour of dire need draws nigh, it may find you not unnerved and untrained to stand the test.