I have never been in a cruise ship,have you? liner is a passenger ship used for pleasure voyages.
I was in a cruise  only when I was a kid.  Would you like to go in a cruise someday?
We have cruises to nowhere" or "nowhere voyages" where the ship makes 2–3 night round trips 
OK, so you just enjoy the ship, suppose it makes sense.  People always say you eat too much during a cruise because you are always having a meal, have yo heard it?
Really? Never heard of it ,except if their are lots of delicacy onboard
Maybe that is another reason eat a lot there, since food is included in the price.  Do you know what are the best cruises?
voyages, compared to dedicated cruise-ships, but few ocean liners remain in existence—note the preserved liners and "Queen Mary 2", which make scheduled North Atlantic voyages.
Although often luxurious, ocean liners had characteristics that made them unsuitable for cruising, such as high fuel-consumption, deep draughts that prevented their entering shallow ports, enclosed weatherproof decks inappropriate for tropical weather, and cabins designed to maximize passenger numbers rather than comfort (such as a high proportion of windowless suites). The gradual evolution of
Cruise ship
A cruise ship is a passenger ship used for pleasure voyages when the voyage itself, the ship's amenities, and sometimes the different destinations along the way (i.e., ports of call), form part of the passengers' experience. Transportation is not the only purpose of cruising, particularly on cruises that return passengers to their originating port (known as "closed-loop cruises"). On "cruises to nowhere" or "nowhere voyages", cruise ships make 2-to-3 night round trips without any ports