Steve, I wrote a long explanation on why I don't, the more I reread what I wrote the more it became clear that I actually can. The only reason I can say why I don't make it simple and use one is because of the expenses I have into my gear. Someday I'll be there.
I change razors each time I change blades. I don't have any razors I don't like shaving with.............. (Exception: With top tier vintage blades, I will move the blade to another razor after ten shaves.)
Once I found the combination of a Rocket HD 500 loaded with an Iridium Super, I had to FORCE myself to try something else.