Average is (typically) the arithmetic mean of a sample. In a sample of one (you), the mean is the sample. It sounds awkward, and would be a red flag that someone either didn't know what they were talking about, or were trying to mislead me (outside of your situation, and probably others).
No worries, friend! We both learned something. Please do not let your unfamiliarity interrupt your contributions; different perspectives such asyours are why I come here. To hell if anyone makes you feel different!