I have no experience with the Down's Syndrome aspect of your abuser, but there will be many common experiences and feelings you'll find among the members here. Read as many posts as you can handle. Don't overdo. And post more on your feelings and experiences as you feel the need. You will have our 100% support always.
"But now old friends are acting strange,
they shake their heads, they say I've changed.
Something's lost but something's gained in living every day
....it's life's illusions I recall, I really don't know life at all. "Joni Mitchell