We went on vacation, holidays ...
We had a flight in the middle of the night. The evening before we bought sandwiches and fruit for the flight.
In the morning on the way to the airport we realized that we forgot the food we had bought in the hotel refrigerator. At the airport everything was closed, we were left without food for five hours.
We felt anger mixed with controlled sadness. The way we managed not to feel remorse for what happened, we imagined that the person who found it, brought it to a needy family who enjoyed it very much.
We made sure to sharpen and complete the imaginary story, so that in the future we could remember this story as if it really happened.
This actually is NLP technique to erase bad memories.