My almost 6 year old is like this. Her way is always "right" which is really hard at violin lessons sometimes because it is precise and she doesn't see the importance of good hand position. If it isn't a priority, she won't change.
I think some is developed, but some is personality and inborn.
Middle school teacher by day, super mom by night
Mommy to The Boss~2007, The Energizer Bunny~2009, and The Princess~2011
My kids are no longer in diapers, but somehow, my computer keeps finding its way back here...