When You're "Just Asking Questions" About Vaccines And Other Things That You Don't Understand And Therefore Fear

INCESSANTLY WORRIES ABOUT SCARY HYPOTHETICAL SCENARIOS THAT THERE'S NO REAL REASON TO ANTICIPATE WILL ARISE, AND DEMANDS THAT IT BE PROVEN TO HIM THAT THERE IS NO POSSIBILITY THAT HIS FEARS WILL COME TRUE; MIGHT AS WELL BE WORRYING THAT THERE'S A HERD OF MURDER UNICORNS STAMPEDING TOWARDS HIM THROUGH SPACE AT THE SPEED OF LIGHT WITH MALICIOUS INTENT, BECAUSE IT'S IMPOSSIBLE PROVE THAT THERE ISN'T