Jack and Jill's Secret

Jack and Jill went up the hill to celebrate their marriage.

Nine months later, they happily had some use for their baby carriage.

Two years later, they went up again, then their daughter had a brother.

But one little secret that no one knew was that Jack and Jill share a mother.

Explanation

Experiment

Explain Bear

Listen here, you dense human. I can tell you're not that bright, since you thought this joke was okay to post. So basically, this isn't about a cute marriage or babies. It's about Jack and Jill being related through their mom. I hope you're taking notes and learning something.