I'm totally with you on this, and when I did include Pablo in my suggested outlook for 2017, I said things like, "Anybody with just a shred of self pride has to realize what people are saying and feeling about what happened over the previous 2 years." I couldn't believe anyone would want his lasting impression of his life's work to be that "he ate himself out of baseball", "took the big money and got lazy" or "just didn't care" about himself or his teammates. He had to have felt great after his playoff heroics with SF. The fans loved him.
I think he convinced himself, he can do great and still be overweight, but somewhere along the way the scales flipped (pun intended). Most of us thought his terrible 2015 season should have been enough to motivate him like he has been these past few months. What took him so long? Last year's report that he was "getting in shape" led to an even greater disappointment when he came to camp apparently as fat or fatter than spring 2015. The fans and media justifiably went bonkers. I think he recognized that, and that was the "reaching the lowest point" of his problem and the start of his "mental rehab".
I'm going to be rooting extra hard for Pablo. It's not always so easy to keep focused and dedicated. I'm hopeful he has turned the corner and will stay on track going forward. Relapses are always a possibility, so he needs to keep himself in check.