Yes, we know Jock obviously cheated with Margaret, Ray's mother during the war, but what about any other times? This is never really touched on in the series. On one hand, Jock seems very loyal and dedicated to Miss Ellie, but then there's that side of him that talks about how he never blamed his sons for having a good time. I'm a little torn. Would he have been the type to think there was nothing wrong with a little fooling around, at least in his younger days? However, the show did seem to try to reiterate that the reason Jock cheated with Margaret was because it was war time. So, I'm not so sure. I don't see him being anything like a JR, but then JR had to get his carnal desires from soomewhere, lol.