Susan:
I agree 100% with owira. The leaders at WW have all been through what we're going through and can offer advice and support.
As far as Core and Flex plans go, you have to determine what suits your lifestyle. I am on Flex and I love it. I like it because it doesn't restrict my food choices, I can eat whatever I want as long as I control the portions. I also find that keeping a food journal helps ALOT!! Now, my aunt is on Core and she has been very successful, she prefers core b/c she doesn't have the time to log all of her meals.
I know you probably feel like everyone at your meeting has already established their "clique" but give it time. As time goes by and you attend more meetings you will get to know your fellow members through sharing stories etc..
It's hard to go at this alone, but as time passes it will get easier. The ladies on these boards are incredible, it's a wonderful place to come and share whatever is on your mind.
I wish you all the luck, you can do this!