Imagine you’re at a party. There are 23 people in the room, including you. Someone proposes a bet: “I bet at least two people here share the same birthday.” You do the mental math. With 365 days in a ...

We may earn commission from links on this page, but we only recommend products we love. Promise. You likely know this already, but just to reassure you: yes, "big" birthdays are absolutely a thing.