do i lay KK down when i am 95% sure i'm up against AA? no
Wow you should definatly lay down KK when you are 95% sure you are against AA unless the pot is huuuuuuuuuuuge.

The point is you will very rarely be 95% sure you are against AA (OR you will be wrong). Check through PT. Look at all of the times you were 95% sure you were against AA and count the percentage of the time you were against AA. If it is actually 95% then you are a god at hand reading and should definately start to trust your reads more. I doubt it though.