SMITH: Gosh - regret (laughter). MARTIN: Yeah. SMITH: I think that's the one I know very well, yeah. I think people's lives are so profoundly shot through with regret. And you don't - they don't talk about it very often, particularly in America. It's like a failure - right? - to...

Author Zadie Smith says she'll miss being young. In this week's Wild Card, Smith opens up about having enough time and growing older.

A note from Wild Card host Rachel Martin ... and hanging around my boyfriend's house watching him smoke a lot of pot. Zadie Smith may have had a few parallel experiences, but when she was 19 ...