An unhappy relationship can undoubtedly affect both mental and physical wellbeing

Past research may have found that old adage ‘happy wife, happy life’ to hold true, but wedding woes may wreck your waistline, according to a new study published in the journal Clinical Psychological Science.Researchers from Ohio State University and the University of Delaware found that an unhappy marriage affects each spouse's body's ability to regulate appetite and to make healthy diet choices—essentially confirming what you already knew about emotional eating.

http://www.shape.com/lifestyle/sex-and-love/your-relationship-making-you-fat