Daily Online Diary (VIDEO) Southern Methodist University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Participants in the SMU study were 51 couples who completed daily diaries online about their mood and the mood of their partner for seven consecutive nights. Credit Southern Methodist University Usage Restrictions Please credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.