The sound of the clock seemed to echo through the room in the back of the Leaky Cauldron as Harry waited, the feeling of worry and uncertainty growing as the seconds went by. It was his wedding day, which should be a cause for celebration, but all Harry felt was worry. His stomach was churning up a storm: What if he didn’t show up?
What if he didn’t show up?
Or: Harry worries Severus will leave him jilted.