I've done a few cruises while on WW and I have lost, gained or stayed the same. Stick with the same things that have brought you success so far. More chicken and fish for dinner, less beef and pasta, load up on veggies, try not to over do the sauces, all things in moderation. Eat fruit. Keep up with the water. I'm not a big drinker so it wasn't hard to limit myself to one or two cocktails a day. Take the steps all the time, go for early morning walks out on deck, maybe hit the gym.
Oh and--stay away from the buffet. Just because the food is always available, doesn't mean it has t