You don't have to apologize, it's up to you.

[Whatever she does and doesn't want to talk about. But he's a little unsure how to proceed, so after a moment--]

That was pretty much it, I mean... We normally had enough current problems going on so we didn't talk about a lot of past stuff. We spent a lot of time gossiping about how irritating the people we were stuck with were.

[So much time gossiping. The thing to complain about never ended.]