Macbeth was not named "Lady", but "Gruoch"(GROO-och).
Their attitude to each other constantly changes throughout the play, although events in the play certainly draw Macbeth and Lady Macbeth apart their love for one another is evident throughout the play.
Lots of people talk about Lady Macbeth being "unnatural".

Does Lady Macbeth really faint?
Lady Macbeth doesn't seem to thinkthat there's anything really unusual about the idea ofmurdering a guest, and she assumes it's occurred to her husbandas well.
Does Lady Macbeth commit suicide or die of cardiac complications?
Macbeth, for whom life is a painfulmeaningless enterprise, speaks of Duncan sleeping peacefully indeath "after life's fitful fever"; part ofMacbeth's own punishment is to be aninsomniac, and Lady Macbeth's is to sleepwalk.

Lady Macbeth Essay | Custom essay
Through Shakespeare's Tragedy of Macbeth, Macbeth’s original character and values are destroyed because of the influence from the witches' prophecies, Lady Macbeth's greed, and his own hidden ambition....
Interior Monologue On Lady Macbeth Essays 1 - 30 …
Once he sees Lady Macbeth, after she has been informed of this news, they immediately conclude they must kill the king of Scotland, Duncan, even though the prophecy mentioned no such thing....
Lady macbeth sleepwalking essay, Research paper Writing Serv
Throughout the play, many characters portray the impact power has on a relationship: Lady Macbeth and Macbeth, Banquo and Macbeth, Macduff and Macbeth and many more....
Macbeth and lady macbeth role reversal essay - essay-reflect
In the duration of Acts 1 and 2, Macbeth, under the influence of Lady Macbeth and his own ambition, has changed from being a rational, level-headed man to one of questionable integrity.