I can't say much regarding the grieving process, I have only lost one person in my life so far and from that experience I'd conclude that everyone feels different about the whole thing, from how you feel at the start, how you deal with it and how it is after a while.

But what I can say is that I agree with coolibrarian. If you want to talk about it, if it helps you, it doesn't matter what she wants or thinks. If you don't want to revisit it for a week, a month or however long, that's fine. If you want to talk it to no ends, that's fine too.