The worst part of chemo for me has been the whole mouth thing. After about the second day my whole mouth feels like it has this nasty coating all over it and NOTHING tastes good. Even water is horrible.
I find that watermelon is sometimes palatable to a certain degree. When I first started chemo I was able to eat chicken tacos and a turkey sandwich from Subway. Now those things make me sick.
Unfortunately for me nothing tastes good. It's a struggle to eat. Lighter foods like fruit seem to be the best for me but everyone is so different.
Just try to get him to eat some form of protein because that is so important for healing. Eggs, meat (if he can tolerate it), protein drinks.
Good luck to you and your hubby. I pray for both of you. I know how hard it is to be the caretaker.