He is obviously not commenting on the sacrifice or its success, but the press has reported that he was upset with the fact that he has been married for four years without a child. That is when he decided to call upon Dr. Lord Shiva.
Recently, two devotees of Shiva sacrificed themselves to the God, here, by throwing themselves into a fire. Live sacrifice in flames has long been connected to Shiva, including the burning of the widow in the Sati ritual, here.
I still believe artificial insemination or adoption might be worthy alternatives to consider.
For the full story, click here.