I’ve never been on one of those ‘floating city’ cruises, and I have never had even the slightest inclination - the idea of being cooped up with a couple of thousand other people whom I neither know nor, for the most part, like for a fortnight fills me with revulsion.

I have, however, sailed many times as part of a crew of 50-60 on large-ish sailing vessels - schooners mostly but also brigs - a total of maybe a couple of years at sea in fortnightly bites. I was sea-sick every time for the first couple of days - those ships not only pitch and roll a lot, but the also heel to a greater or lesser degree depending on relative wind-direction and velocity. Very disorientating until you get your sea-legs.

If you think a Nine in the Bay of Biscay is bad on a 10,000-tonne ferry, you should try it on a 500-tone sailing-ship!

Fortunately, sea-sickness does pass after 24-48 hours.