A pigeon pooping on my head, shoulders, anywhere on me or on my food.
A rogue driver ignoring a light and killing me while I cross the street.
Somehow misplacing my Metro pass and getting a ticketed by the intimidating Metro cops.
Dying from heat exhaustion.
A rogue driver ignoring all driving rules and killing me while I walk on the sidewalk.
Somehow being forced to enter a glass elevator and it getting stuck – on any floor.
Something going horribly wrong with my computer, effectively cutting me off from communication from the outside world.
Paying more to fly or ship all the crap I’ve bought home than it cost to fly me here!
Addendum: Scare is obviously an exaggeration! and as much as I complain about Parisian traffic and drivers, it isn’t that bad…nothing like Rome!