Coyne and his team videotaped the arguments that couples had at home and found that heart patients who were negative with their mates were nearly twice as likely to die within four years as were those who interacted less negatively. Dr.
لكنّ « زواجا سيئا قد يضر بالمريض اكثر مما لو كان عازبا » .‏ وقد صوّر الدكتور كوْين وفريقه على شريط ڤيديو جدالات دارت بين الازواج في المنزل .‏