Grindelwald? Edwin had apologized - he'd never heard of that name before, but he quickly added that didn't mean he wasn't a factor in the War. There were many generals and officers as well as civilians who played roles, who remained behind the scenes. Perhaps this Grindelwald was among those? Edwin inquired as to who this person was. Miss Black didn't appear to be the wilting flower type, who couldn't tolerate weightier discussions, such as the War, but he extended a courtesy to her, carefully choosing his words while speaking to a lady of high standing.
"Some days are better than others," Edwin admitted, ruefully. "But she's getting stronger every day. Why, she was just given a job offer at a place that plans events, which is not unlike what we used to do together for our former employer." He spoke happily about this development, and wasn't threatened by the thought of his wife in the work place.
Thank you!" he said, picking it up and turning it in his fingers to inspect it. "This is very kind. I'll make sure Mrs Jarvis is given it, straight away. How often must she take the tonic? Are there special instructions." The bottle and its contents became a point of great curiosity. "By tonic, you mean to say it's a magical concoction?"