Our children were always very close, and they were very alike.  They were born 18 months apart, the boy first and then the girl.    Both dark headed, brown eyed, they had the same mouths and eyes.  They were also very intelligent, both growing up as honor students, excelling in their academics to the point where they each received full rides in their respective graduate schools.  They were very competitive too, and that may have been part of their quest for excellence - to keep the challenge…