2. Make frequent eye contact.
At first, he may think it’s just a coincidence, but as you make frequent eye contact, he’ll start to wonder if there’s more to it than that. “Could she be interested in me?” The more you like him, the trickier it is to lock eyes, but try to get enough eye contact so that he’ll notice you in the crowd. You want to avoid a gaze that’s too intense, though. He may find you creepy and you’ll drive him away.