Pretty Neat
I used this after my workout and it really helped with the after-workout jitters. I would recommend it.
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Second Review: Wow, never mind. After I wrote the review I stood up (slowly) and passed out. I eventually came to, got up (slowly, because hard to keep balance and focus) started to make my way down the hallway and passed out again.
Now it was nice when I finished, but you have to lay there for a bit, maybe even take a nap. Not a good idea if you are about to be running all over the place. Also, do not use immediately after a workout. The combination really messes with your body.
Jinju ^.^ about
Breathing Zone Free - Relaxing Breathing Exercises