Anonymous has been with his partner for four years now. This relationship started as a result of him cheating on his previous partner. 

He had a child with the ex he cheated on and they’ve been co-parenting well this whole time, they got closer again, which led to him sleeping with this ex on more than one occasion. 

The ex caught feelings and wanted them to get back together, but he’s happy with his current partner and ended the affair with his ex. 

The ex got angry and sent his current partner evidence of their affair.