at first sight

My attachment to the song became especially pronounced last Christmas, when I had my first love-at-first-sight experience.

It was a sudden smite,—one of those flash-in-the-pan, love-at-first-sight affairs.

She recollected her love-at-first-sight for the pretty bride, and well-nigh regarded the friendship as a romance of her girlhood.

Of these she selects, entirely on the love-at-first-sight principle, a very handsome young man who passes in the street.