I think with time you'll learn hopefully to not respond. It took me a couple months, but I did try to improve in baby steps. Eventually you get there. When he dangles the rope in front of you, just leave it there.
I do wonder if you're ADs are the right ones for you. I think you said you are on a good enough dosage so that's not the problem. You've been on it now for what 6 or 7 weeks? I think what you have now is pretty much what you get. You don't seem to get quite as much relief as I would think you should if it was working properly. You still seem to be depressed and obsessing. Believe me, I was too before my Prozac kicked in also. I think the major number one thing you've got to do is get your depression under control. Once that happens, everything else doesn't seem so difficult and challenging. It's easier to focus on problem-solving. I know I've had family members have to have several before they hit the right one. I had to try two before I found the right one for me.