Aurthors note: I really don't think this is good to tell you the true XP but i hope you'll help me out here...
Disclaimer: I DO NOT OWN The character's of left 4 dead. Give props to Valve for this game...
It takes a gun to pull the trigger… Nick
It takes an infected to shoot.
It takes a gun to reload… Nick
It takes infected bitched to die.
It takes one bite from an infected… Zombie
To turn it's victim into a monster. Ellis
It takes time to aim and shoot…
Courage to aim straight. Nick
It takes love to make the hardest decision ever…
To shoot the one you love the most. Ellis