Yes I was going to say pretty much what Alf said too. I'm sorry you're both going through it at the moment, if it makes you feel even slightly better I think most men feel awkward in these situations, not all, but many.
During my Dad's illness and then subsequent death there was very little anyone could do, but little things made a lot of difference. Making the dinner, doing the school run, doing the washing up, anything that you perhaps wouldn't normally do (not all the time btw, just when you can every now and then!)
Even if she doesn't see it at the time, she will appreciate it.
Random cuddles are also awesome, but that goes without saying 😊
Probably best to stay away from the joke thread though