Whenever Saben is really focused on something like legos or drawing, he hums "chitty chitty bang bang" non-stop. NON-STOP. Over and over. For hours on end. Really - hours. I am dead serious and not exagerating.
If you think this occaisionally drives me batty, you are incorrect. It drives me always batty and I always find it running through my head even when he's not around. I shudder when i realize I am humming it to myself while weeding out in the yard. But how can you tell your son to quit humming happily while he plays? The only remedy I've discovered is turning on some music. Except then I get busy and we listen to the same CD 4-5 times in a row and that drives me batty too.
For the record, if I had a rapper name, I would want it to be "Chitty Chitty".