If all of Helga's hate for Arnold is really meant to hide how much she likes him, then I guess she must REALLY REALLY like him... "Hey Arnold!", "Nickelodeon" ...
Hey Arnold! - Helga's Angry Exterior
Arnold's and Helga's Quotes
After years of secrecy, Helga finally confesses her true love for Arnold. Property of: Paramount Pictures, Nikelodeon and Craig Bartlett.
Helga Confesses her Love for Arnold