Maybe you make it a challenge to find healthy amazing restaurants and only eat a little of it. Or maybe split a dish with your hubby. OOOO you could make it a challenge to COOK amazing healthy foods together. I think you guys will be fine, you just have to tweak your lifestyles a bit.
I say things like I'm an "expert" but I'm not. I'm new. I don't even have an operation date yet - just started the process AND I'm in my first actual real serious relationship ever (sad at my age). I'm just throwing ideas out. If your husband is anywhere near as supportive as my boyfriend, you're going to be fine.