Post surgery remedies .

Hi can anyone advise me.
My friend is doing his best to recover from surgery .
He had a had many ops,over the years but this has knocked him side ways.
I was thinking something to aid healing.
Arneca is the obvious one,but I don't know the cc.
Anything else?
His body has been through a massive trauma and is probably in shock. So something along those lines.
His communication is poor he is lost and has little strength to utter more than a few words. Also he appears very deep into himself , like he has to surface from deep within to communicate .
He has lost facial expression.
Finally something to give him some inner strength .
He is still in there, it's still my funny playful friend but if he loses the will to fight , he may not walk again.
Something to encourage muscle strength or development, he is very week like an old old man.
Any ideas and suggestions would be great.
He is an amazing man,surrounded by love and support but I think a little homeopathy would help.
He has had a begnin tumour remover from his brain. I think it's a frontal lebotmamy , it's his second op of this nature his 5th op on his brain.
His body seem tired if fighting such traumatic episodes.
We all love him to much to let it beat him.
Please help with any remedies and dosing.
Thank you