We haven't been introduced, but you've already made your views on family very plain. I saw what you wrote to Narcissa.
I can't speak for your immediate family, but personally, I don't see anything wrong with having friends who aren't pureblood. Blood purity is about preserving the line, and friendships don't affect that. The trouble I have with some of the wizards here is their apparent dislike of wizarding culture and their wish to do things in a muggle way instead. It's very perplexing, I must say.
Do you know Andromeda? She and I have very different views on things, but we have come to an understanding and we can be cordial to one another here and avoid the difficult topics. Is that something you would be prepared to