Worst possible things

ROONIE: Why the closed eyes?
FLYNN: I'm envisioning the worst possible thing that could happen today.
FLYNN: That way, if they happen, I'm ready, and if not, I'm pleasantly surprised.
ROONIE: Ye-... WELL, now, but-... you-...
ROONIE: It... Th-...
FLYNN: Trust me. It's logically bulletproof.