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I don't think it is a real butterfly but it looks alive and it's big. I wonder why your wife is afraid of butterflies.

The fear of butterflies is called lepidopterophobia. (Google AI)

I looked it up in Google. There really is a name for this fear of butterflies.

You can ask @cicisaja.. she told me long ago, a big butterfly bigger than her face was flying straight to her face incidentally and she fell on the bathroom floor, fainted. Nobody around until her consciousness back naturally. She's fine with butterflies anywhere as long as it doesn't fly to close or she'd killed it.