In the last article I emphasized the importance that your freediver-life should start by signing up to (and finishing) a certified freedive course. Why? A freedive course is mainly a safety training for yourself as a diver, a buddy and – in the worst case – as a rescuer. How long you can hold your breath and how deep you can go is actually of minor importance at that stage.
This is a companion discussion topic for the original entry at http://blog.200bar.co/advanced-freediving/