There's tons of ideas in there blind. So many to choose from.
If reading is tricky how about short stories? Or maybe something factual you can pick up and put down easily. The dancing and pilates sounds like a fab idea. Have you considered trampolining? The outdoors stuff should be relatively easy, there must be hiking groups near you that require little commtiment but are there for a hike when you're at a loose end. I can't comment on the church side of things I'm afraid, but the music thing is right up my street. Most instrumental teachers have links into bands of many standards to get their pupils into, so maybe a lesson or two in something you always fancied? Languages can be learned in so many ways. Formal classes, individual tuition, online courses, CD/DVD courses.
Blind - pick one, just one to start with, and get stuck in! I'm of the opinion that the doing is the important bit. It doesn't necessarily have to involve other people at all. As long as it amuses you!
Reality is that which, if you don't believe in it, doesn't go away.
