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@ericvancewalton I can take any class I want. I paid 180 dollars for unlimited for one year, instead of 80 dollars for one class. I am studying everything... I have to pace though lol

Good for you! That's the best way to go. Have fun, it's addictive!

I never thought of learning as addictive, but you are right the hormone serotonin is released when we learn something.