You may find yourself wondering why you can't seem to advance in your Spanish fluency level, and wonder what you can do about it. Don't panic, as this is a very common issue that can be solved with the right approach and mindset. Conversational-Only Spanish Lessons. Do They Help you Advance when you Plateau? Interestingly, they can be an issue. The problem with Spanish classes where students only talk in and listen Spanish is that, while they are very beneficial at the begin