Based on the marriage/first night OLV
She adopted the act to show him that she had conceded. Lower his inhibitions, trick him to drink spiked milk and run away whilst he was unconscious along with her Neela ma, and somehow get Ali to bring Aman.
He adopted the act to show her that two could play at her game. Lower her inhibitions, trick her to believe he had drunk some of what could only be a drink that was spiked, make her drink it instead and make sure she was unconscious enough to not go along with whatever her plan was.
She didn't know if she was doing the right thing. She had never been this close to anyone before. It felt wrong to be so intimate with Neel just to get her way in the end.
He didn't know if he was doing the right thing. He had never been so close to anyone after Juhi. It felt wrong to be so intimate with Avni just to get his way in the end.
Her skin trembled in between his fingers.
His breath hitched with her closeness.
She lost herself into his eyes.
He fell deep into her gaze.
She lost the game.
He won the game but lost himself.
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Avni:Pink
Neel:Blue