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Unless you cannot handle being wrong, ever!
😎

Lol. I think thankfully those people are rare - although we can all temporarily become like that.

I've changed my mind is to often taken as an excuse for bracking a contract, that's what wrong with it.

That's a completely separate issue though. I'm not sure you actually read the post otherwise you would see the fallacy of making such a point completely misses what I am talking about.

I read the post and did not found the answer to the question you put as a headline.

Lol. I fear there is no hope for you:)