(request)
benefits;
— have the intelligence, IQ, and abilities like that of William James Sidis
— become one of the smartest people in the word
+ more
full benefits : https://docs.google.com/document/d/16HPnI0IiA_tFD6MSlF-Wlrbb29J1IO7swCKOA8MpoUs/edit?usp=sharing
faq;
yes, you may listen without headphones or just one headphone.
you may listen as much as you’d like, but don’t strain yourself.