The standard EBT stance on these memories of past events seems to be that you better not dwell too much on them. Well, that is easier said than done.
On another angle, nevertheless, sometimes these are challenging memories because they trigger some sort of remorse or anxiety.
To that point, the message found in AN10.2 can be of help. Moreover, some interesting dots may be connected by reflecting on AN10.61 and SN12.23
The perfected ones, arahants, do attain to a special sort of memory of the past, which extends to countless past lives, see Iti99. But that is useful in a very different context.
It is noteworthy that this forum is not a space to discuss publicly matters pertaining to practice, as per previous discussions linked below.
