Butt Bible - How long did you do it?

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Hi there!

I have almost finished my first week of the Butt Bible and I had a few questions for those of you who have all ready completed it or are almost there. I was wondering if after finishing the recommended six week program if you continued or are planning to continue with it on a regular basis? If yes, for how long and how often did you complete the different levels? I have been following the recommended schedule of lower and upper body workouts. I feel like I would get better results if I continued longer (e.g. three months), but I don't want my body to plateau.

Thanks for your advice. Let me apologize in advance if this has all ready been answered.

P.S. I am also doing the 30 day shred.