You will have a brilliant time, we did this itinerary in 2001 and loved it so much we are going back again this year.
Notbailey..... you will find others on your sailing on the Cruise Critic Boards, specifically the Princess Forum.
Joella..... make the most of your freedom - life will never be the same!!! That said, your life will only change for the better. "Mothers of teens know why some animals eat their young"..... I have three!!!