“President-elect Donald J. Trump said on Sunday
that he had fallen short in the popular vote in the
general election only because millions of people
had voted illegally, leveling the baseless claim as
part of daylong storm of Twitter posts voicing anger
about a three-state recount push.”
—The New York Times

The fraud affected just the part he lost.
That tweet sums up the kernel of his thinking:
Whatever goes against him must be rigged.
Four years of that? Collective hearts are sinking.