I've said before that you and I seem to progress at a similar pace. I've been feeling better and more involved this past 2 weeks than I have in forever, and that includes before H left.
You are finding yourself under everything that has been buried for 25 years of marriage. Not that it was all bad. Just that we, as women, are the fixers, the "whatever you want, dear" people. Not in all cases, but in most.
Tonight I'm becoming involved in a civic activity involving the Board of a Health Facility. Look around and see what you could care about, could become involved in outside of home and family. It may do you a world of good.