You may view the decision to lose weight as a personal choice, but your mate may not see it that way—particularly if you live together. A study published in the Journal of Nutrition Education and Behavior found that when people overhauled their eating habits, their spouses and partners experienced a wide range of emotional reactions, including skepticism, guilt (over their own unhealthy habits), and even anger.
"Whether you've just started dating or have been married for years, your social life as a couple tends to revolve around food," explains Cynthia Sass, R.D., co-author of Your Diet Is Driving Me Crazy. "When one person alters that routine, it can unwittingly throw off the balance of the relationship or make the other feel rejected." Fortunately, there are simple ways to ease the transition.