I've being reading most of your guys post, but havent found the answer i am looking for, i've being training for 2 months now, not to hard just geting my body to adjust to working out, now that i think im ready to begin, im still not sure how to start, im 5.7' and 140lbs, i want to built cauz im very skinny, must i go heavy and do a few reps, or must i do alot, any suggestions on how to start!

thx alot