We view it all the time in divorcing people to my work: the anger, bitterness, and frustration felt whenever one partner betrays or deceives one other with little to no or no remorse due to their actions.
If you’re waiting for an apology or some explicit phrase of remorse from your ex, pull up a chair that is comfortable prepare yourself to stay for a time. The capability to repent for the work of betrayal takes a known amount of development that many individuals never ever wish to reaching.