I have learned in my own life that achieving physical, mental and spiritual balance is possible but not a once and for all kind of thing. It is more like walking a balance beam.
If you watch a gymnast you will notice she makes subtle shifts in balance to stay on the beam. So it is with life.
To live a balanced life we make subtle changes as required. At first there may be very big, noticeable changes. But as time goes on the shifts become so natural and so much a part of daily life we may not even notice them.
Sometimes we get so wrapped up in one aspect of life it becomes our entire life. We may stay stuck in that way of living until we get a wake up call that tells us the delicate balance of life has been disrupted. That wake up call may come as a gentle nudge or a big kick in the pants. For me it still too often comes as a big kick after gentle nudges have been ignored.
Think about things that take over your life and fill in the blank. Repeat the statement until you believe it. Then take it a step beyond and think of one thing that is the “more” you might be missing.