I finally watched 500 Days of Summer, a ridiculously fun and bittersweet movie that came out so long ago that this might qualify as the most ridiculously late "news" item of all time. And I knock newspapers!
But I have to say that the filmmakers got something just right:
You can only tell that a man is in love, first, when he sees Han Solo's reflection in a window and it winks back at him:
Kind of reminds me of that creepy Viagra ad:
And, second, when Hall and Oates' "You Make my Dreams" plays in his head and it turns into a full-scale Busby Berkeley number:
If Mark Hamill appears when a guy looks in a window, or a guy dances openly to Private Eyes - run for your life.