As we grow our knowledge of the culture of Argentine tango, we learn plenty of terms from Spanish (or Lunfardo) and become familiar with them. Yet there are some English words we think we know, which take on a new meaning when used in a tango milongas (tango social dances). Are you using these words correctly?

• "Thank you" does not necessarily mean what you think it does. When it is used politely, it connotes a finish, appropriate at the end of a tanda. If it is said sooner, it means: “I'm done. Please let me sit down; I do not feel comfortable dancing with you.”
• "You are welcome" is not the proper response to "thank you" at the end of a tanda.  One counters with "It was my pleasure."  Otherwise it is as if you were the giver only and received nothing yourself.
• "I am sorry" is superfluous except in very small doses, or when you hurt someone. This is a social dance and not a performance. In the same vein, avoid excuses, such as “I am rusty” or “I am not very good.” Just let your soul dance. If the other person realizes you have deficits, you are better off with being just who you are. They may not have noticed and saying something draws unneeded attention to it, so Just enjoy what is happening.

Source: The Tango Therapist