Yeah dude, you got it in the bag, but unless you get her around you more soon, you're done. Call her and tell your you wanna get together, actions speak louder than words and she went to the prom with you, this could be salvageable.
You've replayed it a hundred times. She stood three feet away, scrolling her phone. You had an opening. You composed the perfect line — after she was gone.
For all you know, she's married now. To some guy who said something. Anything.
Openers are cheap. Almost any sentence works when it's delivered within three seconds. The expensive part is the standing there, drafting and deleting, while the window quietly closes.
The "22 Rules" stripped out my hesitation. What to open with, how to keep it alive, and the one habit that costs guys more women than anything else: waiting for perfect.