All good advice but I want to emphasize technique. I know most of the pros only do a few hours of technique two to three times a week, but your not a pro. Work on technique for at least two hours a day.
You are going to hit the gym too most likely, so here is the most important part, unless your completely obese eat whatever you want, as much as you want, and drink lots of milk. One of the more common recovery shakes with natural body builders is plain old chocolate milk.
If you work out a ton when younger and don't get enough food it can stunt your growth and hurt you in many ways including slowing the development of your muscles. In other words if you exercise don't diet.
There are no bad students, only bad teachers... until you teach at an inner city school.