Sour grapes is an expression originating from the Aesop Fable The Fox and the Grapes. It always refers to an unattainable goal and human reaction to it. It can mean to deny desire for the unattainable item. More often, it refers to the nature of humans to rationalize why they wouldn't want it anyway. The phrase has come to be synonymous with bitterness in most modern contexts.
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The GRAPE is not always sour just because you don't get to taste it.
Don't act nice and try to get the grape just because you think that you are someone who can get anything you want anytime you want. And don't just because you can't eat it you go spout nonsense and lies that it taste sour.
I'm so sorry, but this grape is f**king expensive and you can never and will never be able to afford it.
(PS: This is not towards the ex)
