Please remember Ray (Jr.)

Again, I know I am not a spouse to one suffering from this disease (thank God!) but I am a sister who loves my brother very much and it pains me to see him this way. I know he does not belong to this site and I do feel that I am a misfit here but I know you are all going through this same cancer as he and I find some kind of outlet here. A place I can come and voice my feelings. Also, I know many of you believe in prayer and we all need prayer. I also know pain and suffering of the heart from the loss of my son, that pain never leaves, NEVER GOES AWAY.
So here I sit at the computer again asking you all for your prayers and support for my brother. I do pass along some of your postings and Kathy (Jr's wife) does read them.
The last I posted here Jr. was not doing good at all. I thought he had surely come to the end of this journey. I called Loretta (Loretta & Bill) and she prayed with me over the phone. It did not look good, but as I posted he gagged up some red stuff, that is the only way I know how to describe it, and since then he just seemed to bounce back and was finally able to eat more solid foods. And he felt so much more stronger being able to eat instead of just drinking.
The oncologist told him something was definitely clogged in there (but what was it in there?) and the acid from the Pepsi he sipped on was enough to break it up and bring it up.
Jr.'s blood work came back great again and he seemed to be doing so much better so he continues on with the chemo.
They did give him prednisone to take on the day he feels the worse from the effects of the chemo. But now Jr. seems to be relapsing again. He has been very weak and not eating. He has been very sleepy and started having more pain than he has been having. I guess the sleepiness is probably from medication he is probably on for the pain?
Our 90 year old mom lives here with us and she does not know of the pain Jr. is once again in. She just told me last night that she is hoping that the next pet scan will show that the cancer is gone. She asked me if the cancer Jr has is a bad cancer. I try to tell her the truth about this horrible disease but she closes her mind to it. How can a mother really accept the fact that her son may be dying. No matter how old you are or your children may be they are still your little kids in your eyes. This is her little boy and she is just believing this will all just vanish away.
Can any of you respond and give me your thoughts on this if this is good that Jr is continuing with chemo. I want him off but the oncologist keeps saying that his body is responding well to the chemo, it has not damaged any other parts of his body and his blood work is just beautiful.
How long can this go on and on. I mean I have read that chemo does hurt your body.
I can see why my brother does not want to stop because as the saying goes, why stop a good thing. He always gets nothing but great reports but yet he feels like this.
If he were to stop the chemo would the cancer just grow back and take over? And if he doesn't stop it will it keep the cancer at bay but yet zap every bit of life he has left in him?
I guess there are just many questions I have in my head that there just seems to be no answers to.
Has anyone else out there been where my brother is at? Taking chemo now for way over a year and always gets back great blood work but yet taking the life out of you?
How reliable is blood work?
Thanks for allowing me to be here to let out some of this.
Please remember the silent ones who may not be in the forefront but are fighting this horrible nightmare too.
Thank you.
My prayers are with you all, and I do mean that.