Originally Posted by AntsyPants
I figured the 4 of us gravitated to each other because we were similar in the IQ dept even though we appeared to have so many outward differences. Also, the fact that we all were interested in breastfeeding, finding support groups, etc. If we were strangers pushing our kids on swings at the park we would have probably had some interesting conversations smile

This is similar to my experience, but not just IRL. My online parenting groups have seen a similar phenonmenon. Those of us who have stayed together for 9+ years have a remarkably high rate of children who are gifted in some form or other.