Memory is sometimes considered as a network where "pieces of memories' are pulled together to create a memory for "present you". Traumatic memories from the past aren't that traumatic after many years after, and are being changed every time when being recalled (that's one of the theories). You can lisen to recent Lex podcast with Charan Ranganath, i got it timestamped when talking about child memory: https://www.youtube.com/watch?v=4iuepdI3wCU&t=885s