Michael, Eric and Olivia are pretty involved in the early years too. I would recommend watching from the beginning. The boys drift away for a time or are recurring players, then come back then drift away again I think. Olivia is also very important to both Abby and Val. I do think it's too bad about Steve Shaw (Eric) - he's very underrated IMO.
And yes, I'm hooked. I look forward to your ongoing journey as you may notice I have been spamming this thread with my episodic insights from the beginning over the last several years! There's always room for more!
I think S6 is the peak of the Gary/Abby relationship as far as I've seen. I am only up to ep 5 of Season 7 myself via other means, and will be resuming the watch tonight live on FreeVee. Season 7 is the fascinating year where Lorimar bizarrely swapped the creative teams of Dallas and KL - KL's apex creative team of Peter Dunne and co. from Seasons 4-6 moved to Dallas, and David Paulsen from Dallas came to Knots. The sensibility of the two shows and focus on men and plot (Dallas) vs. women and character (Knots) is very different, and so far I have only seen a few of the signs of it at Knots. I'm eager to dig into it. Paulsen was out at the end of S7 too.
Peter Dunne's season of Dallas so far has had some interesting changes for me that I've found very worthwhile and fresh in a Knots fashion, but I know it supposedly tanks quickly - its flop (and Patrick Duffy's absence, as he'd been killed at the end of the previous year) is what led to it being erased from continuity as 'the dream season' when the OG Dallas showrunners return along with Bobby Ewing in the shower the following year.
I thought Ben knew they were Gary's, but I could be wrong.