The entire story is in the most recent issue of Proclamation Magazine.
Here is an excerpt:

The life EXAMINED
with Carolyn Macomber

What is integrity?

What does it mean to live with integrity? The word “integrity” is defined as the state of being whole and undivided. The opposite of integrity would be a state of dividedness.

For forty-six years I lived in a divided but unexamined state. I knew something wasn’t quite right with my belief system, but I couldn’t figure out what it was.

Seventh-day Adventism always seemed to have something missing as I was growing up. Things didn’t seem to add up, yet there was plenty of addition in the doctrines I held as truth: 1260 days plus 7 weeks plus 49 weeks—and so on … I was lost in an oblivion of numbers without context. They didn’t make sense, but at the time I just trusted those more “learned” than I.