This is a question for you, and this is whatever situation you haven't had motivation to do something. Whether it was an action or to even say something. Maybe mom told you to clean the dishes and you didn't want to? That is an example of lacking motivation. Hope this helped!
Malcom wants to kill Macbeth for revenge after Macbeth killed Macduff's entire family, who was Malcom's friend. (Also to become king.)
