Katrina many times held the breath under water, but could never do more than 3 minutes and 15 seconds. Now she wants to stay under water 3 minutes 30 seconds. She asked me not to give her an opportunity to gain freedom until 3.30. She made it, but very difficult. I suggested she try 3.45 but she said that it is very scary and she does not do it But to do again 3.30 she agreed and I wouldn't say to her that she would be released only after 3.35. This is little more, but it's awful for her. In the end, she got the opportunity to rise to the surface but I did not give her the opportunity to ... Show more