Zig Zigler has laid out some fine details on how to stay consitent and not lose the momentum and if you do lose momentum atleast realize the cause behind it.
In short stacking on efforts and keeping the momentum requires some level of routine. Chaos does not lead to the momentum.
Do read the Zig Zigler's Better Than Good.
consistency and hard work can overcome any shortcomings in the long run. You can outwork and outperform other more skilled people by simple tenacity