Identical Twins Personalities Switch

Which is which?
We’ve got identical girls and often rely on their mannerisms and personalities to tell them apart.

If you rely on this too, or hope to, be careful: twins switch personality traits at will.

For example, one of our girls will be shy one week while the other is a social butterfly. Just when you think that is the pattern, they switch and the social standout now cries hysterically with strangers. Go figure.

We’ve seen switching of twin personalities and traits even at an early age in all these cases:

  • who is a good eater
  • who is a wiggle worm
  • who wakes up first
  • who takes good naps
  • who drinks her bottle in one sitting
  • who smiles at strangers
  • who makes what sounds (our girls aren’t talking yet)
  • who steals toys from the other

So if you want to keep your twins straight, particularly if they are identical, combine multiple data points in identifying each. Combine personality traits and even subtle visual clues to properly identify who is who.

It is fascinating to watch the switcheroo happen. Just keep your eyes open and enjoy the journey.

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Written by , author of The Dad's Guide to Twins

Comments

  1. Danielle Hernandez says

    I’m noticiing this more and more as my identical twins get older. It’s getting more and more distinctive, and lasts from 2-3 weeks everytime…. then they just snap back.

    • says

      @Danielle – thanks for sharing the experience with your twins. Each of our girls has some core personality traits that remain constant but they definitely still switch other characteristics back and forth.

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