Gave myself a birthday present today: I am now a licensed open water diver, after completing the last set of training dives. All were out in the sea, none of that pool nonsense. You learn how to put the gear together, buoyancy, losing and recovering mask and regulator, emergency procedures, and dive planning. Plus practice dives down to 18 meters out on the coral wall.
Saw a huge turtle gliding along at 18m. Quite impractically constructed animal really but it clearly knew what it was doing. Diving is a lot of fun once you are properly equalized and neutrally buoyant; you just float effortlessly.
