declare very loudly "OH BOY! I CAN'T WAIT TO SEE WHAT'S IN BOX A!", pause for a moment to whistle an inconspicuous tune, and then super quickly grab box B while laughing mischievously
declare very loudly "OH BOY! I CAN'T WAIT TO SEE WHAT'S IN BOX A!", pause for a moment to whistle an inconspicuous tune, and then super quickly grab box B while laughing mischievously