detrimental-benefit
Something which 'just feels right', but becomes regrettable later.
Plural: detrimental-benefits
Adjective: detrimentally-beneficial
Antonym: beneficial-detriment
Plural: detrimental-benefits
Adjective: detrimentally-beneficial
Antonym: beneficial-detriment
Eating that whole cake was a detrimental-benefit, because even though it was tasty, I'm fat now, and my career is as a model (😱) so I could lose my job!