Do you mean 3 Months ed? Or do you Go 3days on 2 days off for 3 Months ? I do it like this with Great Results for 6-8 weeks And same Time off completele .
how much and how often is very individual. bigger guys who want to grow further need more and if you are 160pounds then ofcourse you need much less. there is no golden rule here as each body is different and how it reacts. thats why insulin is an advanced compound, because it requires total knowledge of ones own body and lifestyle which is no easy feat