i liked it too,i spent a few hours going though it all great information exept the meth manufactureing guide(and the other ones to) no specific measurments but atleast they put the tempetures in centigrade,muscels burning is just because you havent worked out in a while it happens to me to but i work out pretty steady(practicly everyday) 6'2 200 lb and i have a hard time with it being fat soluble =( loltakes me 10.5 days to clear my system(i was messin around with the wallgreens home test to find an easy wasy to beat them)and decided to see how long it would take for one joint to clear my system =( i hope i never get are4sted and put on probation lol and no problem on the info just ask anytime you need it i dont have much better to do and its always good to know im helping