love at first sight

an immediate and intense romantic attraction that one feels upon seeing someone for the first time

A third of dog owners have experienced love at first sight when setting eyes on their dog.
It was love at first sight when they met, but it didn't last long.
Their eyes met across the crowded room, and it was love at first sight.
Some say love at first sight is just a myth, but for them, it was a reality.
She never believed in love at first sight until she met him and felt an instant connection.