Learn what "i don't even know where to start" means, when people say it, and how to use it naturally in English.

This means the speaker feels overwhelmed and does not know how to begin speaking.
From I'M Obsessed With My Boss Part I, Episode 41
The speaker says they do not know how to begin explaining something.
Use it when you have a lot to explain or when a conversation feels difficult to begin. It is common in emotional or serious conversations.
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