If he called us a couple does he think we are together like boyfriend and girlfriend?

I am dating this guy for a month but we have not had the talk.

We were talking about going to this restaurant that is dressy. He said we can go there and play the fancy couple.

This is the first time he called us a couple. Does this mean he thinks we are boyfriend and girlfriend?
If he called us a couple does he think we are together like boyfriend and girlfriend?
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