I use the exercises you describe, to illustrate the same points. I look forward to the opportunity of practicing with you, when I get over to your neck of the woods.
There are a couple of sayings I heard my teacher use, when I first started, and didn't understand at the time, but do now. - "Aikido is really difficult to learn, because it is so easy to do." and "If you want to get really quick, practice really slowly". He did like his paradox