Unsolved, perhaps, because nobody here wants to play those games!
Personally, I, find ".'." ugly (some would say anal! Whether or not the final full-stop should be inside the quotation marks is a question of national preference. It seems to me that 'Do I have to say, "I love you?"' is just wrong, as the question is not part of the quoted speech; but some national standards may require it.
Student or Learner