[The Bard Rocks]

I run a small concert venue, but we get some internationally known folk here once in a while. None, the famous or the less-famous, have been less than friendly and willing to talk on many subjects - even if they don't attract as many people as they had hoped, they don't mention that. They stay civil and often talk for hours.

I also attend many concert and often speak to the performers (it is one way I get them here), but very little if they have others hovering around who also want their time. None have been that way.

BUT, if one was like the guy the OP encountered. I''d' introduce myself as someone who used to be one of his fans. Then tell him, I appreciated the cure.