It is not "forgive and forget" as if nothing wrong had ever happened, but "forgive and go forward," building on the mistakes of the past and the energy generated by reconciliation to create a new future.
There is one quality of mind which is the basis and foundation of spiritual discovery, and that quality of mind is called bare attention. Bare attention means observing things as they are, without choosing, without comparing, without evaluating, without laying our projections and expectations on what is happening; cultivating instead a choiceless and non-interfering awareness.