What’s more interesting, though, is thatJeremiah only just proposed on January 6.

So, what’s behind this unusual family tradition?

If the courtship works out, a proposal is expected to follow.

Jeremiah Duggar and Hannah Wissman

One extended family member put it much more directly.

Shortly after 18-year-old Justin Duggar announced his engagement, a fan remarked about it on sister Jill Duggar Dillard’sInstagramaccount.

“Why do you guys rush to marry [so soon in] life?”

Duggar Family 2014

The siblings have 22 children between them, with one more expected this spring (perET Online).