Great to see Anthony Howell from Foyle's War as the chocolatier, he's an under-appreciated actor.
Yes, George is a goner. That or he'll return so horribly traumatized he'll have to be hospitalized. I don't think he's serious about Kitty, even though they had a date last season. Seems to be more of a friendly flirting kind of thing.
I think Lady Mae is pissed at Delphine and is scheming to upset her friendship with Rose, though that would seem unnecessarily mean to Rose.