In this version she is not rescued hours away from death as some accounts over the years have portrayed it, but the main point is, that this is related to WHO it was, Romney has never done this for anyone else, and never would, although we know that this is a very common event and would have happened countless times among lesser employees.
A fellow Bain boss and a man that is in line to become the Holy Prophet of the Mormons was a recipient of an extraordinary, one time action, something that would have freaked out many of us during our teen years.
How do you know it was a one-time action? One of the tenets of Mormon belief (and Christian) is you don’t blow your own horn. If you do things for the praise of men, you have your reward.