A new study by psychology professors Janina Bühler from Johannes Gutenberg University Mainz and Ulrich Orth from the University of Bern suggests that the decline in a relationship often begins years before the breakup occurs.
A new study by psychology professors Janina Bühler from Johannes Gutenberg University Mainz and Ulrich Orth from the University of Bern suggests that the decline in a relationship often begins years before the breakup occurs.