How is Loung’s dream on New Year’s Eve foreshadow what she does a night or so later?

On New Year’s Eve, Loung has the “greatest dream and (her) worst nightmare.” of her life.. She dreams that there is “a table covered with all favorite food in the world,” . She fees incredibly guilty because she “didn’t share the food with anyone, not even with her family. ” A few days later she has an experience similar to this.