Dissecting "We Both Walk" by Lorrie Morgan - 1991

It's vintage Lorrie Morgan in her 1991 hit: "We Both Walk". This is a song that sounds "off" for all the best reasons. But how does the unsettling tone combine with Loretta Lynn-style attitude to give us a nuanced perspective on a classic country trope? And what does Tammy Wynette have to do with it?