The truth is not a smear. The problem he is having is, his definition of the truth is, "whatever I believe." That's always going to run smack-dab up against the actual truth at some point in time.
It is if your a Rat. They fear truth the way a vampire fears the sun. They are deeply convinced that truth itself is unfair and wrong. If you challenge their psychosis, they usually revert to the insane position that there is no such thing as the truth, no such thing as right and wrong, that everything is "shades of gray".