Oh my goodness -- I'm a MOUTH breather at the gym. I was huffing and puffing on the spin bike, then I realized I was gasping for air. OK -- I'm exaggerating. I'm not gasping, but I definitely breathe with my mouth open. I tried to breathe through my nose. Yikes -- that was hard! Even when I was not at maximum effort. That's going to take a bit of getting used to. 

It just goes to show that we are so not conscious of how we breathe. And I swear that spin class is a killer. I'm ...

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