I'm pregnant with my 2nd kid at 40, and I still don't feel like a grown-up

The author is pregnant for a second time at 40. Courtesy of Jackie Buddie I had my first kid when I was 38, and I didn't feel the identity shift most parents talk about. Now, I'm pregnant again at 40; when I first saw the pregnancy test, I almost didn't believe it. Most days, I still feel like I'm…