te see, If he detto it would grow, and it didn't, it still would because he was lying, but then he wouldn't be lying so it would shrink, but then it would grow bECAUSE HE WAS LYING. IT'S A PARADOX OKAY
It would be complicated and annoying - I believe Keith Harkin already explained. I wish to add that, following the paradox, the dimension that Pinocchio lives in would literally be destroyed, o rather, destroy itself from within.