Seven topics to avoid if you don't want to risk being a bore

I hesitate to disagree with the immortal La Rochefoucauld, but I think he was wrong when he wrote, "We are always bored by those whom we bore.”
Not always (though I often remind myself of this observation when I'm feeling bored by someone else). I think that sometimes we find a topic so interesting that it’s easy to lose sight of the fact that it might not be interesting to someone else. And most of us want to make a good impression and avoid boring other people.
Seven topics to avoid if you don't want to risk being a bore