"Now, there is an interesting thing about being in the middle [of siblings]. It's that you not only look up to someone, but someone looks up to you. You also, like the firstborn, are in a great position of influence. ...We know how it is to be on the receiving side with our older siblings, so we know what our younger siblings want from us. Let's be the same kind of older sibling that we want our older one to be to us."