how much would i need to OD?

im 5'8 and like 140lbs

i know everyone is different but i mean the average...
brrg744 Reviewed by brrg744 on . need advice on coke, please help ok, friday im gonna be trying coke for the first time so i got a few questions (and please dont lecture me on not doing it). were all pitching in on it but im getting a gram to myself, how much lines do i get from a gram and will it get me fucked up? and my friend said were gonna get pure uncut coke still in rock form for 40$ per gram(supposedly a good deal), is that a good deal and hom much would a gram usually cost? Rating: 5