Dear Jinjujitsu, Sorry to take so long to reply...I've been off the site for 10+ days busy with extremely busy teaching schedule.   You just have to practice more until you get the hang of the percentage breath controls and feel more comfortable with it. Once you get comfortable and feel some results, you'll feel more confident of what you're doing.   Try first mentally calibrating your normal breath (which you take each time with the 3 priming breathes at the start) into 10 parts. Mentally count from 1 to 10 with each normal breath you take--no matter how fast you have to count in the beginning. Once you establish those 10 counts, then use those counts to exhale whatever %'s the particular FP exercise calls for. All the breath controls are based on your normal breath cycle. It is RELATIVE--but it is not arbitrary.   NOTE: make sure you don't hold your breath at any point in the sequences. There is no retention (holding of the breath) in beginning levels of the FP system.   Good luck.   Terry Dunn
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