I use it once, I was so accelerated. I feel energy more then 5 hours. This stimulant is too energetic for me, it's like a drug, i would try it again only t have fun.
you can take a rest for few weeks, and then refreshed you can do it again!
or try to listen some music, or watching motivational videos! it works for me
No it will not increase the size of penis. It only in case of people with IHH.
However it's increased only to 1 inch, i think it's not so big difference.