reoking,
hello. i am so sorry to hear about your husband. this is a tough journey. i would tell you to read alot of the old posts and responses. there is alot of info within them. also seek help w/ a nutritionist. they can devise a feeding schedule and tell you what to and not to eat.
there is a post on here not too far down about a woman that has been eating smoothies from the "smoothie king" chain. i have gotten my father who also has stage 4 stomach cancer onto these and there has been a slight improvement in weight. although....i am sad to say...for my father we didn't catch the cancer in time and there isn't much hope. but try these or go to a GNC store and get some protein powder to put into milkshakes. something to help keep the wight on. make one and have him just takes sips/spoonfuls all day long. most have 700-1000 calories. so if he drinks it throughout the day...he will help w/ adding weight.
adding weight or even sustaining weight will keep his energy levels up. also....if he is far enough after surgery, have him go for a walk (short one will do) to keep everything flowing...blood supply etc.
i wish your family all the best. please keep us updated. take care and many hugs to you. kris