I'm compiling this page, with help from friends and the LiveJournal community 
diablo2. Any suggestions are welcome, please make them here.
...You start giving special attributes to everyday things, i.e. "Cup of coffee, +2 to energy!"
...You swear that you can understand what the fallen are saying.
...You start giggling over the way Charsi flirts with the barbarian, the way Gheed hits on the assassin, the way Atma comes on to the paladin, etc.
...When someone asks you to pick something up when it's inconvenient for you, you announce, very overdramatically, "I am overburdened!"
...You start examining people at work, school, etc and imagine what monster they most resemble.
...When your brothers and sisters are bothering you, you do a battle cry, in hopes that they'll all run away... And groan that it was the wrong one, because instead they all attack you.
...Everytime you see a pickle jar, you imagine a preserved head in it instead.
...Your walks through the park take twice as long, because you keep touching suspicious-looking stones.
...You will not rest until you figure out how to walk around with 8 bottles of Mountain Dew Code Red hooked to your belt.
...Your father tells you "For the last time, I don't know what that unidentified item you brought home is!"
...You keep wraith writing the unidentified incorrect words.
...Every time you enter a dark room, you remark, "It's so dark... Perfect!"
...You try to teleport to school/work.
...Every time you blink, you see blue and red orbs at the bottom of your vision.
...You set people on fire in hopes of making a fire golem... but instead, they run around completely out of your control, screaming "Help! Help! I'm on fire!"
...You get lost and ask a gas station attendent for a map hack.
...You buy weapons that you see in the game (i.e. "Oooh, a katar!")
...You keep a large box in your backpack, and nobody believes you when you say that it gives you more room.
...You rip your shirt and expect it to repair every five seconds.
