It seems that the mind Rita is in a very unstable state, and she is actively making plans how to get even with him.
In his instagram she paints painted pictures of how Vlad will drop from a skyscraper, and his brains spread on the pavement.
There are other options of killing her husband. For example, to move it “KAMAZ”.
So Dakota does not relax, and relax Sokolowski does not – suddenly, her fantasies will become reality.