I want to share another cute brag.   I noticed a while back that ds always creates a mixture between the words "empty" and "nothing" whenever he has a reason to use either of these words.  "nenmpty", "numpthing", "nempting", "netty", that's all I can think of.  He knows about the number zero.  It is obvious to dh and me that he is doing this intentionally.  For one thing he uses variations.  When he misunderstands a word he mispronounces it the same way each time. 
 
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Youth lives by personality, age lives by calculation. -- Aristotle on a calendar