So, there we were, on the coast, in our swimwear, in the middle of February, with the temperature barely nudging four degrees.
A brisk north-easterly wind was whipping up the waves, dog walkers were braving the elements bundled up like arctic explorers… and we were sweating. Properly sweating.
Why? Because we were in the middle of a blissful, hour-long session in a wood-...
