Who was more absurd?
We were playing strong NT with 4cM. Systemically it was an obvious 1♥ opening but it isn't the route of problem.
South feels north should have shown that his hand was crap at some point, by rebidding 2NT on the 3rd round or by refusing to cuebid over 4♦. At the end south raised 5♦ to 6 on the basis that North couldn't have 0 aces and must be bidding 5♦ in case south's 0/3 was really 0.
North bid 3♦ hoping to show his shape then sign off in 3NT over 3M. North felt guilty about cuebidding 4H with no aces but liked Kx of spades and thought blackwood would be a safe way to resolve any issues on the assumption it was impossible to be off 3 keys. The prospect of south bidding 6 to clarify 0 or 3 didn't occur to him as it was impossible for south to have 0 on the bidding.

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