Definitely do not give up! I was ready to give up a couple of months ago and I am glad I didn't, because I have actually made progress since then? Can you believe it? I would not have...but improvement really is possible! Keep at it! You can do it!
Hey there! Sorry for the delay. I sent you an email, everything should be fixed now! Let me know if you have access to everything now: http://7sage.com/progress/
While I don't actively try to predict/anticipate inferences per question, I do experience it intuitively. As we progress, I think that process becomes more an act of the subconscious allowing to quickly navigate the games.
My journey since July has been a long hard process. Some people progress over time whereas some start off in the 160's. After 4 long months, I've gone from a high 130's to PT'ing in the 160-163 range as of 3 weeks ago. Don't give up and you can do it!