When I started using R, it was well into Neko's FD journey, and her doses were increases relatively quickly as her tumour was coming back 3 years after SRT. She also was taking longer to clear bounces. So the R was used to try and keep up to the dose increases as best I could, while still increasing the L as fast as made sense with TR. And all following a dental that she needed for a bony growth on her jaw (thankfully benign) that had caused sudden higher numbers. Only once I got a handle on R under those circumstances, did I try to tamp down the bounces.
Neko's reaction to R was not normal, her onsets were a lot later and duration later as a result. So I ended up quite frequently shooting a couple hours before PMPS, to try to make sure her R onset was before L onset. The other thing you want to do is make sure the R and L onsets and R and L nadirs are not at the same time. Again, trying to avoid big drops from combined action in the same time slot. This does argue for eventually using R before PMPS for Max most of the time.
For most people, we wouldn't suggest R for a cat clearing bounces so quickly as Max usually does. Most caregivers aren't nurses either. I'd kind of like to see how Max does on the 5.5 units for a while before going ahead with any R experiment.