What type of ship was it? And how was the experience, did you enjoy the trip & find enough to do to stay busy/not bored along the way?
It was amazing ! Perfect to relax, take a step back and think
There's plenty of things to do, you can hang out with others, read a book, work online, look at waves all day long, go to the gym etc.
The real danger is eating too much, food at restaurants is unlimited, even at official table service you can order multiple mains, multiple desserts etc. they won't say anything
Something to take into account is that USA residents have different cruises prices, usually cheaper, the rest of the world usually has to pay more