You ARE high, MamaRuthie!!! Beautiful neurochemistry at work!! Enkephalin, dynorphin, substance P, dopamine, & serotonin cascades for the WIN!! Endorphins bind your Mu receptors just like any opiate. Who needs street drugs when you've got all this locked inside?! WOOHOO!! Did you know there are studies where rats became so addicted to the high they got out of running that they opted for that over eating and actually died of starvation? Crazy, huh? That's some powerful stuff right there.
Keep up the amazing work. I have to admit that while I am far from seeing exercise as fun yet, I certainly don't dread it and want to hide in the nearest donut shop when it's time to work out like I used to. I find it bearable these days which, for me, is really saying something. I'm an exercise whiner in rehab.
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"Nothing in the world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination are omnipotent."
-Calvin Coolidge