People often think about their relationship after it ends. Previously, most studies of romantic relationship breakups assumed that people only think about negative memories from their ex-relationship. The authors proposed that individuals also think about positive memories after a breakup, and that thinking about positive memories can also make it difficult to move on from a breakup. They created the PANERT, a 12-item measure, to examine this.

In the scale development paper, results indicated that people think about positive memories and negative memories after a breakup, and that...