A friend's now-former husband refused to touch, wouldn't even look at, leftovers or stew. My advice was call it something else, aka, Boeuf Bourguignon, cottage/shepherd's pie, pot pie (whatever). I understand he thought in their native states, those stews and leftovers weren't special enough.
While you probably won't convert your husband to spicy, Asian foods, with judicious renaming, French, Italian, Spanish dishes could perhaps keep life in the kitchen a little more interesting for both of you.