Kim and I have known each other since childhood. We have been married well over half a century and have traveled many roads, literal and metaphorical, together.
Our lives together are defined much more than simply as Husband and Wife. In all of my travels, she has always been there, in person or in spirit. We are two parts that make a whole person.
So, in my stories, you will find that I usually refer to her simply as Kim. In my mind, no other explanation is needed.