"Sort of?" he said with a bit of a disheartened voice.
"I mean, I know what it is. It's a fox. But the longest I think I've ever seen it for was for five seconds. If I would ever need to defend off a Dementor, I think I would get the kiss," he told her. "It's not that I don't know how to do it or if I'm just not executing it right and Harry was really a brilliant teacher but I feel like I'm really behind the rest of the DA and..."
Seamus was so concerned over not being able to do his Patronus correctly that he started to ramble and didn't even realize that he started talking about the DA. He clamped his hands over his mouth and his eyes grew large with panic. Surely she had to know. There was no way she didn't know. Right?