the act of running away with one's lover to get married without the consent of parents

私奔, 私通
the period of time when two people are getting to know each other romantically with the intention of getting married

求爱期, 恋爱期
sexual intercourse involving a married person and someone other than their spouse

通奸, adultery (noun)
a temporary and intense feeling of romantic or idealized attraction toward someone, often based on superficial qualities and lacking a deep emotional connection

迷恋, 痴迷
to revive or renew something, such as a relationship or interest, that has faded

重燃, 复兴
to gradually become less close or connected, often due to a lack of shared interests or diverging paths

逐渐疏远, 渐行渐远
to betray one's partner by secretly having an affair with someone else at the same time

背叛, 出轨
to slowly weaken someone's emotional or mental strength over time, often due to continuous pressure or challenges

消耗, 削弱
