I don't want to say this, but
A lie you tell yourself before you unleash the worst thing you can think of to hurt someone, because you're a mean person with a loose mouth.
I don't want to say this, but your singing is like a dying goat on a rollercoaster.
I don't want to say this, but your hair looks like it was attacked by a raccoon.
I don't want to say this, but your pizza was so bad it should be exiled.