it really is just the holding the yarn. You make the same stitches with English and Continental.
I did learn knitting from my grandma, and that is over 30 years ago. I do think of this event frequently when I knit. And that is a very sweet bond.
By the way: you put "frog" in quotation marks. We really say that. It is because you rip it, rip it, rip it.... and that sounds like frogs, doesn't it?
Brings me to a question: How deep is a frog pond? --- kneedeep, kneedeep.