He sees a dagger that he says "Calls out to kill Duncan." This could be one of the witches using their magic to make him do it, or he could just be crazy.
Macbeth believes he has to kill Duncan's guards in case they heard anything happen in the room while Macbeth was killing Duncan.
Lady Macbeth talked Macbeth into killing his cousin, King Duncan of Scotland, who was a guest in his house at the time.
And then Macbeth asked Macbeth if he confronted Macbeth on killing Macbeth with Macbeth.
The king
The reaction between Lady Macbeth and Macbeth is initially very different after they kill Duncan. Lady Macbeth is enthusiastic but Macbeth regrets his actions.
She talks her husband into killing Duncan.
Killing him in his sleep. Scandalous!
"Sleep no more, Macbeth doth murder sleep."
Macbeth was a loyal vassal of King Duncan. Macbeth's act should not be considered regicide.
because king Duncan looked alot like lady Macbeth's father.
"Wake Duncan with thy knocking! I wish thou couldst!" Yes, Macbeth regrets killing Duncan.
Yes, in William Shakespeare's play "Macbeth," Lady Macbeth does not physically see daggers before the murder. Rather, she is the one who prepares the daggers and orchestrates the murder of King Duncan.