Even better, you can have the card expire off-cycle from the book. Since both last 10 years, if you renew one at the 5 year mark, it means you'll always have an active document that can get you to Canada or Mexico even while the other is in the renewal cycle.
I recently learned this after renewing both at the same time missing my opportunity. I'll renew the card early in 5 years or so to get this off-cycle expiry benefit.
This may come as a shock to you, but most of the people in the western world have an energy surplus which creates other health risks. The most logical way to address this is to consume less energy, but here we are with other people being upset by my choice to not eat something.