It starts with a bowl of cereal (or two), and a good book. Very bad manners to read at the table, but you can get away with it when you're under two, so make the most of this time. Suck up to sister early in the day. Look smug while doing so.
Be prepared to be hard. If others get smug you may have to wipe the smirks off their faces.
If you do choose to go around smacking people (especially if it's Ruby) in the face, you then have another decision to make.