After 6 months of training you don't know shit about fuck. Before you do any kind of cycle, get your diet nailed and find out what macros are best for you. At the same time you have to find which exercises and techniques are optimal for YOU. You need to know what the best combination of exercises, macros, rest, training technique, cardio, etc. And as sure as shit stinks, you need a PCT as well as liver protectants and a better cycle than D-Bol only. There's even an article about a D-Bol only cycle on this site!
I've been training for about 3 years now and I still haven't found my optimal exercises and techniques for every muscle group. I've only managed to nail biceps and chest, and by nail I mean, rep ranges, exercise selection, frequency, and intensity. It took me about 8 months to finally get my diet to what I think is the best for me. Moral of the story....Rome wasn't built in a day and a cycle at this point in the game won't help the pillars rise any faster. Just my 2 Cents....though my advice usually doesn't get followed these days.