I dig the cooking metaphor here! It really drives home the importance of not wasting time in a post’s opening.
Readers these days are like that bubbling water, you’ve got to bring them to a rolling boil with your content quickly or they’ll lose interest.
By the third line, as you mention, if they’re not hooked, it’s game over.
Thanks for sharing such a practical tip that all writers can use to keep their readers engaged!