What was macbeths state of mind the eve before the battle

Macbeth's state of mind isn't good at all. First off, he's completely numb from all of the terrible things that have happened, he doesn't feel anything anymore. When he is threatened and when his wife dies - he barely responds. He is completely cold:

"I have almost forgot the taste of fears:

The time has been, my senses would have cool'd

To hear a night-shriek, and my fell of hair

Would at a dismal treatise rouse and stir

As life were in't: I have supp'd full with horrors ..."