Olivia recounts discovering her ex-husband's remarriage and affair, which resulted in a pregnancy, two years after their divorce. This revelation contradicted the reasons he gave for their separation, causing her significant emotional distress and a re-evaluation of her past relationship.
Impact: High. The discovery of her ex-husband's deceit shattered Olivia's perception of their past and left her questioning her own judgment, highlighting the profound impact of betrayal.
In the source video, this keypoint occurs from 01:00:55 to 01:04:33.
Sources in support: Amy (Caller)

