Cameron is either having a breakdown or he's creating a story line about a Ghost for air time
, i think he enjoyed having the housemates gathered around him in the bedroom listening to his garbage . He's either seeing Lews F go to the toilet at night and he keeps pretending it's a ghost , it's funny how he says it "looks like Lewis F " though
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Why would a ghost only haunt him , other housemates would of experienced similiar spooky stuff if the BB house had paranormal activity . and he can't even tell the difference between a ghost & a poltergeist .