Hiya Madara^^
I was wondering if you had tried other exercises then the hyperventilating. You never know, maybe one of the other exercises proposed could produce the wanted effect? I really have no clue.I was just throwing that out there.
As for going ahead with the program, well session 10 is very interesting and not too heavy. Also, I think this program is made so we go at our own pace. I fail to see how you following your natural rythm is bad.But I am sure the support specialists will have a better and more accurate response for you :)
Have a nice day.