And if you use the equations enough, then you'd get used to it, so that after a while accepting it seems normal and for those who do it a lot even kind of intuitive.

Heh. Like comics in general. "So the next time he died he...why're you looking at me like that?"

I can get the general idea, I think--there's an infinite number of alternate realities, and you can move from one to another, and sometimes they overlap and affect the reality as a whole. But the details still make my head hurt.