Ah, someone with a parser. I've met someone like this before. Best thing to do is to just block him. You've made it this far, so you must be doing fine. If there's something wrong, then you'll figure it out.

People that approach strangers and put them down so that they can elevate themselves have their own issues to work out. Just blacklist him. Report him, if he's harassing you. He's using his parser irresponsibly.