Is The Twin about a man caring (poorly) for his dying father while dreaming of another life in Denmark? Or about a man constrained by the responsibilities of family and rural life? Or is it about a man who really likes donkeys?

Is The Twin about a man caring (poorly) for his dying father while dreaming of another life in Denmark? Or about a man constrained by the responsibilities of family and rural life? Or is it about a man who really likes donkeys?