Of emotions, of love, of breakup, of love and hate and death and dying, mama, apple pie, and the whole thing. It covers a lot of territory, country music does.
There are certain rules one must abide by in order to succesfully survive a horror movie.
One of the most predictable things in life is there will be change. You are better off if you can have a say in the change. But you are ignorant or naive if you don't think there will be change, whether you want it to or not.