Question about canceling

I have a cruise next month on Celebrity, and I'm not sure how I'm going to make it. The only reason is I can't get my cats to the vet--if they can't go to the vet, they can't be vaccinated. If they can't be vaccinated, they can't go to boarding. If they can't go to boarding, I can't leave home. That's my life.

ANYWAY, I know I'm past the point of getting anything back, really, but I just wanted to know if there's anything could get? Drink packages? Prepaid dinner reservations? Anything? I've paid so many thousands of dollars, it's unreal. I have insurance, but it won't cover "my cat won't go to the vet."

Thanks.