It may have only lasted a moment.
You saw them briefly, maybe exchanged a glance, a few words, or just noticed something about them—and then it was over. There was no real conversation, no clear connection, and nothing that should logically stay with you.
But for some reason, it did.
You keep thinking about them at unexpected times. Your mind goes back to the moment, replaying it, wondering why it stood out so much. And at some point, you start asking yourself, “Why am I still thinking about this?”