Антонина обернулась

The main character of this one - Antonina - a wife, mother, mistress of the house, wakes up after an unusually bright dream and realizes that she has not lived her whole life as she wanted. There were strangers around, people she didn't like, and it wasn't her life at all. She realizes this so clearly that even at the funeral of her own husband, Antonina does not cry, is not killed, and it seems that this death does not concern her at all. And this is despite the fact that my husband lived a long and prosperous life...