I have brought this upon myself.
Have an affair with another woman
Cheat on his wife
Cheat with another woman
Being in love is easy, being married is not. It is to be cherished.
Being in love is easy, being married is not. Cherish what you have at the moment.
另外，该事件中涉及的第三方也就是我们所说的“小三”在英语中多用mistress，lady friend，the other woman，和home wrecker来表示。如果是女方出轨遭遇“男小三”，就可以用the other man或home wrecker来表达。
He left his wife and child and moved in with the other woman.