My expeience....

[beastlybeast]

Nitrous- first to 60 % nothing
second time. to 55 % my eyeslids started twitching, but i didnt feel anything and then i heard someone come home and i decided to stop since they are going to be like wtf are you doing

Alchohol - to 70% i felt nothing

French roast- Nothing

I Feel like this isnt going to work HELP should i give up?

[Vale]

well, think of it as taking cigarettes.
the first time you take them, your body rejects them and you start coughing your a$$ off.

but after a while, they do what they're supposed to do to your body. make you feel good or w/e

try more and more