You love your significant other…but that doesn’t mean you won’t throw-down about the cable bill. A new study reports that American couples fight about money more than anything else, even more than kids, chores and those dinner-halting conference calls. Finances matter, of course, but try to make your case in a calm, rational way.

Keeping the stress down, and your relationship a priority makes for a happier, healthier life.

MORE: The Good Fight