It seems safe to assume that no matter how wonderful Bethenny's life is on the outside, her inner rage and torment will always blind her to her blessings. I share the same affliction, which is likely why there's still a tiny place in my heart for her.
It's hard to tell if LuAnn is truly an optimistic person and takes life as it comes, or she enjoys living a certain kind of fiction. It doesn't sound like Tom is a faithful, romantic partner, though. Maybe the sex is just that good?