Not fast (slower_than_others)

On the way to the bus stop, Bill saw somebody he recognized walking towards him, but he couldn't remember his name. He began to think of things to say when they'd be close enough to acknowledge each other. As they drew nearer, their eyes locked, uncertain if the other was gonna stop to talk. The person greeted Bill as Bill mixed up the phrases "What's up" with "How's it going?" Confused, the person blurted out "Thanks" before he knew what he was saying. Words caught in Bill's throat and he replied, "Weh." They did a sort of awkward half turn, and then continued on now confident that the other was not gonna stop to talk. They never saw each other again, and a day later had each forgotten the whole thing.