Can any one relate to being so bad with cancer that they have to push them selves every day to live?

My boyfriend has cancer twice and now there is nothing they can do for him. I have tried some altertinives but He is the one that has to make up his mind to take them and I can not do if for him. He want's to get better but I think in his mind he is not. He had a glossectomy (voice box/tounge removal)

He has a feeding tube.

His cheek is not able to move and his eye is different on his left side as of the tumor.

I have gone to the health food store and on the internet and have gotten him some stuff but he says he don't like the stuff as it has a taste. He is weak most of the time and he drinks his can's of stuff but he needs more. I said he needs to eat Maybe more offten and we are going to try juiceing every two hours or so.

He is one that is not one to sit around and mope about this he is out and doing stuff which is good. He will listen to me to a certen degree and kind of wants to do some thing to help him self but not.

ANy one have any suggestions on what to do to help him get some energy back. The lady at the health food store says that I should go slow with him on stuff as he has had problems with burping and then throwing up so she said to go slow and get his system used to stuff graduly.

Thanks