Copenhagen is not a theory of what you will experience either; there are multiple minds even in Copenhagen's single world
If I understand correctly, Copenhagen has only one mind for me, and the reality experienced by this mind is fundamentally randomly branched through wave function collapses. MWI creates a new mind for me so their are many minds for me, one in each Everett Branch. Did I miss something?
Let's suppose that your mind is a function of your brain, and that your brain is composed of atoms.
In MWI there are many branches with many configurations of atoms, that means many branches of your brain, that means many branches of your mind. In every branch your mind is entangled with the other atoms of the same branch. So for example in the universe with atoms of a dead cat, your mind is in the "poor kitty" state, and in the branch with the atoms of an alive cat, your mind is in the "kitty, you are so lucky, I promise I will never try thi...
If it's worth saying, but not worth its own post, even in Discussion, it goes here.