It’s very unlikely that 2 weeks would cause a decrease. Most decreases come in months, not weeks. If you feel uncomfortable, then just decon for one week. Other than that, I think post-newbie routine is the time to focus and concentrate your routine on your goals. If you’re looking for length, try an A-stretches, V-stretches, an ADS, or hanging even. If you’re looking for girth, there are a variety of exercises to choose from. If you want both, then just mix and match and see what works. By the way, nice gains and congrats on keeping with one routine till it ran its course, I am going to do a similar thing with the newbie routine. I am going to use it until I stop seeing gains for 6 weeks, then move on.