Strong stomach sounds like a rather important part there. I've managed to about swallow Delicatessen and movies along that same genre, but I think I'll take your advice and steer clear. Gore isn't a huge fave. Though if it's inspired your play, it's done a wonderful job of it.

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‘What will my death be like?’ he thought- and knew at once
with abrupt certainty, that it would be just like his life:
... the same balance of bearables.
~Amis