SAFE READING - NO SPOILERS
"In black humour, topics and events that are usually regarded as taboo, specifically those related to death, are treated in an unusually humorous or satirical manner while retaining their seriousness; the intent of black comedy, therefore, is often for the audience to experience both laughter and discomfort, sometimes simultaneously." This is the Wikipedia opening to the article on black comedy/humour and it fits this film almost to perfection; although no-one actually dies, there are deaths of various kinds.
It builds humorously for ninety minutes and we laughed out loud so often watching the complexities of the relationships building to an hilarious, misunderstood climax. Then ten minutes of "deep seriousness" before it ends in the hypersphere of ...
Black comedy is not for everyone and it does not always work, so fine is the line it treads. Audiences may well be left feeling ambivalent, however, this film is not meant to be taken seriously and, despite its dealing with serious subjects, I hope viewers will realise it is not asking to be taken seriously. Taking it seriously misses the point. For some, it may be too near a bone or two, but I enjoyed it and laughed, even at the OTT ending.
It may be my sense of humour and the suspension of disbelief (in this case the suspension of belief too) but it was enjoyable in all its silliness. The actors played their parts well and I never doubted for a moment that they knew it was a comedy. It will not be to everyone's taste but we enjoyed it.