The reaction between Lady Macbeth and Macbeth is initially very different after they kill Duncan. Lady Macbeth is enthusiastic but Macbeth regrets his actions.
The night of Duncan's murder he is spending the night at MacBeth and Lady MacBeth's castle.
Lady Macbeth
father
Lady Macbeth says king Duncan resembles her father, so she encourages macbeth to murder him.
duncan
Duncan gave Lady MAcbeth a diamond, he let his servants serve her, at her house. Duncan gave Lady MAcbeth a diamond, he let his servants serve her, at her house.
NO! Lady Macbeth does not kill king Duncan's Guard Macbeth does to prove his guilt.
Lady Macbeth
because king Duncan looked alot like lady Macbeth's father.
Lady Macbeth talked Macbeth into killing his cousin, King Duncan of Scotland, who was a guest in his house at the time.
She desires the kingship for him and wants him to murder Duncan in order for Macbeth to obtain it. Not only that, but Macbeth has a weak will, and Lady Macbeth, being determined and intelligent, manages to persuade the indecisive Macbeth to commit regicide.