If you are 75% good, your counterpart will be 75% evil.
If you are 99% good, your counterpart will be 99% evil.
What do you do if you meet your evil counterpart?
I tell him “Nice goatee, bro.”
Stuff.
Butt stuff.
I’m only 20% good, so they’re 80% good. Murder them and take their stuff. It should be easy, stupid goody two-shoes.
I can fix her.
I’m pretty sure I’m 55% evil so he would be 45% he and thus the good one.
I’d probably take a car to our mum’s. Kill Phil, grab Liz, go to the Winchester, have a nice cold pint, and wait for all of this to blow over.