... you lose your ability to move left and right, and can only move forward, backward, up and down.
... you turn over every cardboard box you see, just in case Snake is watching you.
... since you don't have a Wii, your going to build one from scratch just to play SSBB.
... people ask you why your always looking up to the sky, you reply, "waiting for a pokeball to fall".
... the announcer retires after your many years of play.
... you see a construction sight, you mistake it as someone building their own stage.
... you hire a construction team of your own to build a stage.
... you can translate the language of Pokemon.
... you can turn all your trophies into playable characters.
... you win several awards in photography based on your pictures in SSBM.
... you think every fighting game after SSB is a ripoff of SSB.
... you aspire to develop a flatulence like Wario's.
... you get a career in professional Boxing, and try to use a falcon punch on the opponent.
... you calmly walk out on a street with dozens of cars driving by, confident that being hit by one will only result in 25% damage.
... you wonder why people don't fly in the air when you uppercut them.
... you can replicate the entire SSBB theme music by whistling.
... you start seeing Cd's on the streets, and collect them.
... you are afraid to go to stadiums, in fear of a subspace army invasion.
... you think the graphics in SSBB are so real, you start an active search for all the characters.
... you have all the symtoms described in this topic. (I know I do.)
Woo, that's a lot...