Casual Genes
/The world is full of anecdotal examples of heredity influencing behavior. Separated twins that drink the same beer and hold the cans the same way. Father and son that share the same nervous tick.
As a parent, you see these types of things all the time in your kids. They may share certain mannerisms with you or do things you used to as a child. Seeing these things strengthens the connection you feel with your kids.
However, the above photo was the first thing I've ever seen that showed the connection my boys have with each other. Taking a photo in their matching jammies, I was blown away at the curled toes with the left big toe up. Amazing.