Strangest thing you get paranoid about.

[Fiad]

I get paranoid when I don't have my pocket knife on me. Always think someone is going to kidnap me, but that actually has a reason due to someone actually trying to kidnap me.

 

[mechashiva77]

Cops, Guys looking at me, and airplanes.

 

[neonsword13-ops]

Every time I fire a weapon, I must reload, even if I fire just one shot. I'm always worried there will be a fight just around the corner.

 

[EmzOLV]

Can't say I've ever worried that a duck will be hiding a knife. Until now. Thank you for that...
The ones round here are evil little bastards. Ever had a path blocked because ducks have decided to form a little picket line across it? Happens pretty regularly. They also laugh if people trip over or drop things.

I dislike the webcam on my laptop, and worry that it's on when it isn't. Sometimes I cover it with electrical tape.

I was putting up public notice signs for an event recently and when I went to take them down, there were 30 odd canadian geese surrounding it. I just imagined them all to have it in for me. Made getting the sign very difficult.

Also, in a similar way to your last point, I HATE posters. The eyes follow you. Don't have them up, and won't get changed in a room which has them.

 

[lion el jhonson]

slenderman I see him in the shadows and when Im in a dark room I think he is right behind me
because of him I can no longer sleep in the dark
for insight check out these links
http://coolerking.deviantart.com/art/The-Slender-Man-143961834
http://www.youtube.com/watch?v=929yGDowwkg
now excuse me while I have a panic attack

 

[Swifty714]

Walking into the bathroom at night and while using it i just stare at the mirror, waiting for something to just pop out of it.

Just waking up at night freaks me out. Their is a light beside my bed, but i'm always afraid if i turn it on their will be some dude holding a knife about to kill me, but if i don't turn it on, he would just kill me anyways

 

[Febel]

I always hate putting luggage and stuff in the back of my friend's pickup because I'm terrified it's come loose and fly out onto the highway or something. I always have to look over my shoulder every 5 minutes or so when it's back there to make sure it hasn't.

 

[Hollow Aizen]

I get paranoid in my local Walmart, not because it's a corporate conglomerate bent on trying to destroy the world's economy, but for the simple reason of playing Dead Rising 1 too much. There's some kind of ad that plays over the intercom system that sounds exactly like the music from the first food shop you enter in DR1.