Dear Mirai, how thou shall plan for thee

If you've seen Macbeth, you know the tragedy of Lady Macbeth who realizes in the final act that, "What's done cannot be undone." Overcome with guilt, she is unable to erase the image of blood stained on her hands, and she commits suicide. 
What makes Macbeth one of the most famed tragedies of Shakespeare is that he and his wife made rash decisions without thinking about the consequences of their actions. They didn't plan ahead. 
For centuries, audiences have loved to hate Macbeth and