Just for the optics of it alone, you should speak. It might send the very wrong message if your company has a male and female co-founder and only the man talks.

Just for the optics of it alone, you should speak. It might send the very wrong message if your company has a male and female co-founder and only the man talks. There are all kinds of ways this can be interpreted that aren't good. Own your space. I guarantee they've heard a lot worse, and still brought them into the YC family.