Even the highest forms of sacrificial worship present much that is repulsive to modern ideas and in particular it requires an effort to reconcile our imagination to the bloody ritual which is prominent in almost every religion which has a strong sense of sin.
I hear that 5 o'clock whistle in my mind like Fred Flintstone and I have to stop. I'm also not much of a morning writer. I have a sweet spot from about 11am to 4pm. But I really work during that time.