Learn what "i can't believe how blind i was" means, when people say it, and how to use it naturally in English.

It means I feel foolish for not understanding or noticing the truth sooner.
From Help! I’m Falling In Love With My Rude CEO, Episode 34
The speaker regrets missing something obvious and admits they were wrong.
Use it when admitting you misunderstood a situation or ignored obvious signs. It can sound emotional and self-critical.
Scenes unlock real expressions as you watch
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