>>>I see. So, when he realized, that pigeouns taste differently, he knew, he was eating humans, and that's why he killed himself.
>>>
>>>But who told him that he was eating pigeons and why?
>>
>>The somebody else that was preparing the food.
>
>Do you think these are important questions to answer or we can live with the solution as I explained in my first sentence?

If he had prepared the food himself, he wouldn't have been surprised and overcome with guilt at the restaurant.