"No!" he said shaking his finger at me

Because of David Shannon's book No David, we've associated that word with David. Lately though, it seems to be Jacob's credo.

When I tell him not to do something ("No Jacob - you can't put your hands in the toilet"), he's been imitating me and repeating "No, no, no". Pursed lips. Index finger wagging.

When David tripped and banged his head against the door, Jacob walked up to the door, bent down to where David's head hit it, and sternly wagged his finger. "No, no, no"

When he's in bed and finds his empty water cup off to the corner, he picks it up. "No, no, no" he says, shaking both his finger and the cup at the same time (no small feat).