United Kingdom, Feb. 13 -- Rose Byrne is "gifted at disassociating" herself from her work.

The 46-year-old star has been nominated for the Academy Award for Best Actress for her performance in If I Had Legs I'd Kick You, but Rose actually found it easy to leave her on-screen character behind at the end of the working day.

Rose - who plays a psychotherapist who has to care for her daughter in the movie - told The Hollywood Reporter: "I'm gifted at disassociating, so I could just very much separate myself and shut off my valve and my battery to recharge. . [The crew was] protective of me, and they would find me rooms here and there and all that stuff.

"But I never wanted to get too far away from what I had to do, because it was like ligh...