(CNN)Sandra Bullock has a new movie coming out, but she's planning on stepping back from acting.While promoting her film "Lost City," which costars Channing Tatum and Brad Pitt, Bullock told "Entertainment Tonight" she's not sure how long of a break she'll be taking.But she said she does know that she wants to be "in the place that makes me happiest.""I take my job very seriously when I'm at work," she said.