[Blink. Strange question, but hey, if you're curious...] Only this far. [His neck "accordions" until his head is nestled between his shoulders, then pops up again.] Ordinary turtles can do it because their shoulders are inside their ribcage, but we made the trade-off for increased joint mobility. [Because obviously you wanted to know all that.]

[And time for a question of his own.] I'm too what?