My wife and I have taken the 12 day Hawaii cruise 5 years ago for our 35th and am doing it again in Oct for our 40th. It takes 2 days just to learn how to relax and enjoy yourself. We have been on 7 other cruises and this will be our 8th. All I can say is that this is the best Hawaii cruise you can take because the 7 days on the Islands and 5 sea are just perfect. Don't worry about the five days , you will enjoy them all.
Gary