OK, so I started physical therapy because my I had a backache for something like two years and I was getting damned grouchy about it. I was even grouchier when the doctor told me it was from "normal wear and tear." NORMAL? Is he kidding me? Normal to scream in agony when you sit and normal to scream in agony again when you stand up? If it was normal, wouldn't everyone be doing it? So, I started physical therapy and amazingly, my back feels better. I love going to the heated salt-water spa pool with the fuzzy jets in the water and doing nice, tame exercises. My arthritic body loves the state of weightlessness, so much so, I am thinking of moving to the International Space Station. Meanwhile, back in the pool... I was going through my exercise routine and, as previously stated, my back feels really good, but my FREAKING knees have started hurting to beat the band. I mean hurting to the point I am screaming in agony when I stand up and screaming in agony when I sit d...