I didn't say that she would be like Dana, I said that she would be CLOSER TO Dana than Faith. Faith's attitude, and pretty much that of the Wishverse's Buffy, appeared to be the kind of tough girl attitude that usually requires a lifetime of being ignored at best, or abused at worst. Buffy almost certainly wouldn't go that route because, until she came to Sunnydale, she was loved, had friends, and was pretty much happy, if slightly shallow, if we go by what little we have seen of her life in LA. Coming to Sunnydale, and the hellmouth, would have been a total shock, and a challenge to cope in her new environment, pretty much like what happened to her at the beginning of Season 6, though certainly not to that kind of extreme. As a result, I believe that her natural defense would be some kind of denial or withdrawal (again, not to the extent that Dana did, and probably not the way that she completely shut down in Season 5 when Glory took Dawn, but something along those lines) In any event, I don't believe that she have gone go all tough girl like Wishverse Buffy or like Faith.