[dragonwriter]

It's not, because unmarried long-term cohabitation has exploded.

[pbhjpbhj]

How long term? As long as a whole childhood?

[astura]

Unsurprisingly most unmarried parents break up before their kid is an adult.

https://www.huffingtonpost.com/terry-gaspard-msw-licsw/livin...

http://www.dailymail.co.uk/news/article-2004878/Unmarried-pa...