OV,
I must echo what David says. I too couldn't have done this without my wife's care. It was the most important thing in my treatment and recovery.
There is a lot of good advice above so I can't really addd to it. I really just wanted to say welcome and restate your boyfriend has a long road ahead, the only way to get it done is one day/step at a time.
I'll keep you both in my hopes and prayers