I imagine that once we understood the visual cortex well enough to be injecting images directly into our optic nerve, we might be able to figure out more nefarious memetic hazards.
This would give new meaning to "Once seen, you can never unsee it."
I have lost 50lbs and kept it off for over 3 years myself but it is hard, very hard to do. It was akin to getting my masters degree while working full time hard.
Would love to talk to you off line about this. Since I'm currently doing a masters (just my capstone left) while working full time, your analogy is not lost on me. Your other points match my experience very closely.
"Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines." -- Bertrand Russell