A princess should not act without thinking carefully first. ~ Savannah had had enough and stred out the window, a sly smirk on her face as she got an idea, taking a running leap out onto the roof and along the palace walls.
A Princess should do as she is told ~ She was so not looking forward to this marrage she had never even met the guy. ( Could be the groom or a warrior/rouge who gatecrashes and kidnaps her, or a childhood friend come to stop it)
A princess should never speak with the commoners unless making a public address ~covering her face with her hood Savannah smiled at some boys at play in the desert city's streets, and spoke with the merchents like old friend.
A Princess should hold herself as such lounging on her back on top of a cart Savannah daydreamed while she listened to the driver singing to himself.
There could be more and this could be one or several rp's where one or several of these rules could be broken