Los Pios Pios Dicen

n the beginning, Alison and Courtney had started off as best friends, doing everything together and sharing a "twin connection," as others would describe it. Though as time progressed, Alison was always jealous of her more popular sister and forced Courtney to impersonate her, at the same time tormenting Courtney to the point that the girls would begin to fight, leading to screaming matches in the playgrounds and Courtney locking Ali in the bathroom stall during school. Courtney would always pretend to be her sister because she was forced to, from introducing herself to the UPS man as Ali, to showing up to Ali's Saturday art classes. The final straw was when the DiLaurentises found Courtney trying to choke her sister because Courtney suffered enough, and doctors were called and examinations were performed. Ali had passed the tests, but Courtney had panicked and the doctors had diagnosed her with paranoid schizophrenia. Courtney denied the diagnose and claimed that Alison threatened her and forced to impersonate, but no one believed her (however, this statement was actually true). The DiLaurentises had moved to Rosewood and they sent Courtney to the mental hospital.

Several months later, the DiLaurentises relocated to Rosewood, changing their last names from Day-DiLaurentis to DiLaurentis to hide their past due to Courtney. Courtney, currently at home, spies Ali talking to her brother, asking him if he had seen her A-for-Ali ring. Courtney changes into an similar outfit to Ali's and goes downstairs, where she sees Spencer, Hanna, Aria and Emily arguing. Curious, Courtney asks her sister about it but Ali brushes it off and starts provoking Courtney, and the two quickly get into a fight. Jason intervenes but Ali pushes him out of the way, causing him to fall into the bookshelf and break a plate.

Alison walks up the stairs while Jason storms out the house. Courtney realizes that it is her chance to trick her parents into thinking that she is Alison and Alison is Courtney. She goes outside and meets the Liars, until her parents force Alison into their car and drive off to the Preserve, thinking that she is Courtney.

Now, Courtney has to carry out her new life as Alison. She puts on Alison's initial ring and reads Alison's diary to find out about her life and friends. She realizes that she can't be friends with Naomi and Riley because they could find out her true identity. Courtney decides to ditch Naomi and Riley for Hanna, Aria, Spencer, and Emily. She quickly becomes friends with them and also increases their popularity greatly. High As Alison, Courtney creates a special bond with her four new best friends and she meets an old friend of Alison's, Nick Maxwell. They flirt and Courtney slips Nick her number. Courtney told Ian Thomas that if he kissed Spencer that she would kiss him. Ian kissed Spencer, but then when a drunk Ian tried to forcefully kiss Courtney, Nick saw and dumped her.

Courtney needs constant full attention from the Liars, but they somehow betrayed

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