The break is the real adventure. Sandra Bullock is opening up about her recently announced decision to take a bit of a hiatus from the spotlight following the success of “The Lost City,” so she can focus on kids Louis and Laila. “I don’t want to be beholden to anyone’s schedule other than my own,” the 57-year-old Oscar winner, who also produced the romantic comedy action-adventure, recently told The Hollywood Reporter. “I’m so burnt out. I’m so tired, and I’m so not capable of making healthy, smart decisions and I know it.” Asked how long her hiatus will last, Bullock told the outlet: “I reall…