You know you've been playing left 4 dead for too long when...

[ghostninja14]

when you make Zoey to be your wife in The Sims 3

 

[Skreeee]

Before you leave your house you stand behind the storm door and survey for movement, itching to pick off any possible, immediate threats through the screen before leaving the meager safety.

 

[Beltom]

You can no longer watch Star Wars Episode 1 without being freaked out by jar Jar Binks. This could still be true anyway in some cases.

 

[Skreeee]

Your parents wake to discover the doomsday graffiti and messages to loved ones (letting them know where to meet up if separated) you've scrawled all over the walls in the night. You are already long gone with a med pack strapped to your back.

 

[peroguskahn]

when you have a complete and flawless 'anti-zombie-survival-plan' made.

when a woman crying makes you walk really slow

a car alarm causes you to jump into a combat ready pose

 

[Emptor]

When you hear crying and you think there's a Witch nearby.
Or whenever I hear someone talking about smoke, I immidatly think of the smoker.
I'm waiting for someone to say
"When you watch the L4D Porn" xD

When you've watched Left 4 Head.

I've just killed two birds with one stone.

 

[shwnbob]

When you run at the first sound of running footsteps.

 

[EisBaron]

When you hear a car alarm and immediately lock your doors.

 

[halofox117]

when you start calling pills peels and you inform every one about it

 

[Chribbdizzle]

Before you leave your house you stand behind the storm door and survey for movement, itching to pick off any possible, immediate threats through the screen before leaving the meager safety.

doesn't everybody do this?

 

[Timbydude]

When your main strategy in a game of pickup basketball is to projectile vomit all over your opponents' faces so that they can't see, and when you fail to see why the other people on your team aren't happy that you did so.

 

[lollipopz]

When you make a Miku Hatsune mod.

SERIOUSLY MANNN

 

[MasterMaaCuuQu]

when you see a parked car and yell FRANCIS DONT YOU DARE

 

[Thingy]

Every time someone loudly burps, you yell "boomer!"

 

[The_root_of_all_evil]

When you find a server as soon as you start looking.

 

[Amarok]

You've lost your job, your wife has left you, and you've been declared legally dead.

 

[teisjm]

When you get arrested for throwing coctails at body-builders

 

[Washboard]

when you spot a large person in the street and turn to your mates and yell "BOOMER!".

SO guilty of this one...i'm a bad person >.<

 

[Arkhangelsk]

When you see Hunters when you're taking a nightly walk. Or maybe the apocalypse is actually coming when you see it.