Having done some of what you ask abouy,here's a few comment's.
I was a Merchant Seaman,started at age 16 on my local river,the Mersey,as 'shovel engineer',Stoker,Engine Handler,Deck hand,and best tea brewer on Sand Dredger's.Was in receipt of Seaman's Ration's,twice as much as my Mother got for a family of eight.
Had previously had training to enter R,N,also worked on small boat's,oar's+sail variety.Worked in the Rope making industry,Wire+Fibre,so wasn't TOO thick!
As a seaman used 2 gallon bucket for ablution's,with Butcher's soda(?)soap and 'dish cloth' towel.All signed for!
Travelled to Jamaica (memorably)on a WW1 ship converted to oil firing from coal,in the cabin next to the steering gear,not much sleep!
On the way home,3 hurricane/tornado's,overheated engines needed ice water soaked rag's as coolant to every bearing,fire's under deck plates added a bit of spice now+then.
Have taken Training Cruise in a sailing ship for my big 50,not quite as bad as earlier traveller's or seamen,but very similar in hour's of work(ALL!)feeling's of absolute delight in being at something Ienjoyed.
While you have the fitness and wherewithal,do it !There are historic ship's and place's around the World to visit,walk around,and get the smell of,that may do you as well.
Oh,you did strike a nerve!!
Goggy.