You wouldn't say she noticed him get up. It would look something like this: Across the room, the guy whose ears made him look like a wing-nut sauntered to the coffee bar. Half a napkin stuck to the bottom of his shoe. And if he's about to become an larger part of the story, we already know something about his personality. He's oblivious.
So, join the conversation. What are the best and the worst you've seen?