"Mommy, I know what 'inside-out' means."

"It means if the inside of your briefs is on the outside and the outside of your briefs is on the inside, they are inside out."
Now this would be fine addition to the blog on its own. A revelation of understanding. A point in his life where things like "inside out" begin to make sense. But this riviting piece of "I get it!" transpired at midnight after everyone had been asleep for an hour! Nice to know he feels comfortable discussing what's on his mind, regardless of the hour...