Kevin Costner is leaving 'Yellowstone.' Here's what we know about the actor's departure

Kevin Costner announced via Instagram that he will not continue in the second half of the Yellowstone series. He expressed his love for the series and the challenges faced while working on Horizon. Costner played the role of John Dutton, the family patriarch, in the popular Paramount Network series.

What emotions did the teacher express regarding the news?

What was the context of Kevin Costner's announcement?