Jack has quite the repertoire of facial expressions, and he exercises them regularly. For instance, here is his best Van Gogh expression:
I think it's pretty good for a 12-day old!
Then again, most of Jack's communication skills revolve around the topic of food.
Thinking he might be hungry:
Surrender the boob, or else!
Pondering which one he likes better: the left, or the right?
OK, he'll take the left side:
All done, but might still be hungry:
Changed his mind... the right side is really the best:
Of course, Jack gets this talent from somewhere: