I started this before you edited Master Saint’s name in, so I might as well finish, I trust he’ll correct me if I’m wrong.
Feel free to run the loops however you wish. As long as you get the minimum listening hours in, it doesn’t matter how you divide up your day or if you get a different amount of listening time per day. The only remark I would make is that it’s probably more effective if you do finish listening to the tracks. So don’t listen to half of each track in your loop. If you take breaks, try to at least do so between tracks.
As for Aura, from what I understand it’s not meant to produce results faster, only to amplify them when they do manifest.
And Libertine should be a nice addition, I think. It’s a supercharger that fits the theme of Khan. If your focus for Khan is to improve your sex life, they should work well together.
Oh, another edit…
You could combine it with S&S, but I suspect that’s already a part of it. Primal Seduction might work well (too bad the elusive Iron Throne remains elusive, I recall Saint writing it would be perfect). Someone more knowledgeable than me will have to answer that one.