The Changing Nature of Macbeth and Lady Macbeth's Relationship

I came across this article that explains Mr. and Lady Macbeth's relationship quite well. It also adds some new ideas about Macbeth's description by lady Macbeth, for example when she says of Macbeth that he is "too full of the milk of human kindness," the article adds that she was personifying him as a female.

https://my.vanderbilt.edu/womenandpowerspring14/2014/02/macbeth-and-his-lady-a-crazy-couple/