You've hit midlife and something's shifted.

You feel softer. Not necessarily heavier, just softer. Around your arms. Around your middle. Your jeans still do up, they just sit differently.

You're hungry. Properly hungry. You eat lunch, and an hour later you're standing at the pantry wondering what on earth just happened.

And there's a belly that seems to have arrived out of nowhere.

Here's the most frustrating part. You haven't done anything wrong. You're walking. Maybe you're at the gym. You...