Wow.... sorry for your husband, I hope things work out.. But I can understand your dilemma... Hmmmm.... ( thinking).... I know what your sayin.. though about gettin a pup,, alot of work, and it sounds like you already have your hands full! But I also understand him wanting a pup,, nothing cuter or better than a pup... Hmmmm,,,
I dont think you should get one,, they are soo much work, and the money situation alone,, maybe, just tell him you dont have the " desire " to invest all the time and attention right now,, because you want to make sure he is well taken care of"
Maybe, find someone with a puppy to bring them by to visit often,,,
Sorry, dont know if I have helped much,,but wanted to respond.. I hope things work out for the best, no matter what!~~