What is one thing Lady Macbeth and Macbeth did wrong?

Question:What is one thing Lady Macbeth and Macbeth did wrong that led to their downfall?
1. Lack of communication
2. too much lust for power
3. ????????????????????????????????????

Best Answer - Chosen by Asker: What is one thing Lady Macbeth and Macbeth did wrong that led to their downfall?
1. Lack of communication
2. too much lust for power
3. ????????????????????????????????????

Hubris, the geek word for the tragic flaw of 'pride.' Both thought that nothing could go wrong, and kind of ignored most of the stuff that warned them to get back on the right path. :D

trusted one another in dangerous times.

Um... killed multiple people?!?!?!

They went against fate (as personafied by the Wyrd Sisters). Things were actually going pretty well in Scotland, until MacB tried to kill Banquo and his son.