Hi all ! Im from Croatia and i want to learn techniques for longer breath holdin. when i was 16 i could hold up to 5 min...but now my life took me strange places and situations, and now i can't. So im finnaly on my feet again, and i want to bring beack those 5 min or more. So can someon send me links for any writing procedure of training on dry as those for sea...Thank you very much, and i'm not in situation to go to any school for materila reasons, so i wanna learn and practice myself, offcourse in sea i will have someone near me...Thank you very much! Best regards