Mary, welcome. I know what you mean about rejoining - I could wallpaper a room with all my WI cards! Unlike you, though, I never reached goal. This time I'm sticking with it to the end; either I reach goal or I'll be dead, whichever comes first.
I'm not attending meetings, I use the WW Veggie Board and another online group for support, as well as 3FC. As far as exercise, just do what you can. I know there are exercises you can do while seated, if you are having back or leg issues.
I hate it when a leader pushes one method over another, they should be unbiased IMHO, no matter which one they are using. If you ever get into whole grain eating, Core may be for you in the future, don't worry about it now. As far as being overwhelmed by what to eat, start with the basics. Write out a week's worth of meals along with their point values and stick with those meals. This is what I had to do in the beginning. I found it helps my grocery budget, too, since I'm not heading to the store every day
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Anywho, I believe my email address is in my profile if you ever feel like more support!