First, you are too young to be using a steroid, a mild one but a steroid nevertheless. At your age you have plenty of hormones to get you some size, get get your diet in check. There are many options to choose from, especially as a beginner BBer. Have used creatine and a preworkout supp? Those will be of great help to you as you develop your muscles and break through any plateaus.
Second, you have plenty of research to do before you jump in to this. Dont just take someone's advice even if they are a friend. It is your body so make sure you know what you are doing.
You dont stack HDrol and Reversitol, so your friend has that wrong to begin with. Go to the Anabolics section and read about hdrol and pct. Do you even know what PCT is and what happens to your body while on cycle?
research is up to you.