Pssst, for context on The Three "reallys" Construction see my comment on LL and repeated below:
The Three "reallys" Construction is strictly a spoken construction, as far as I can tell, so I can't do much of a search, but it's common in sitcoms and very commonly used in casual setting amongst friends when a person is faced with a situation that is (1) surprising, (2) intractable. The three "reallys" provide a cascaded enunciation of the cline from genuine surprise to complete defeatism (i.e., the person realizes there's nothing they can do about the situation).
really 1 = interjection like wow expressing internal surprise.
really 2 = interrogative, actually questioning the other person wrt the situation.
really 3 = expression of defeat (i.e., I give up).
