kid is mine

Sure, family isn't always defined by blood, but more often than not a DNA test isn't needed to prove relations. Kids turn into their parents, sometimes really early in life... and develop the same quirky habits as their moms and dads.

d0uble0h asked parents of Reddit: What's something your kid has done that made you go "No DNA test needed. That kid is mine?"

Submissions have been edited for clarity, context, and profanity.