This one is easy! Get your gear out, try it on, tweak it, move that hip ring just a fraction this way or that, tweak that regulator, check the drysuit seals- I know, that's a complete load of rubbish.
Actually when I am not diving- I am to be found on the bike, in a kayak, on a rock face or on a run. Physical fitness is not, it seems, the domain of divers and whilst I am not about to zealously crusade for diving fitness tests, some students I receive are just so out of shape that the course is a bear for them because they are incapable of toting around a pair of doubles. Come on! There is only so much responsibility I am able to assume for the students and getting themselves in shape is not one of them.
If you are thinking of pursuing this sort of diving, a little modest fitness wouldn't be out of order, you don't have to run a marathon, or even 3 miles, but think about what will be expected of you and act accordingly.
Here ends the l