Each person has their own internal template of how much they need to remember and in what way. In situations where the childhood abuse was chronic and ongoing, people often find that they need to remember the pivotal events in some detail and spend less time on other events. In terms of actually reliving the trauma (or abreacting it, to use the technical term), it used to be thought this was a necessary step. However, more current beliefs are that if the reliving is done too quickly or without adequate preparation, it’s not helpful and in fact, can be retraumatizing. Also, some individuals seem to be able to heal without large scale abreacting whereas others need some forms of abreaction as long as its done in manageable doses. As with most things in therapy, the main thing is to find what works for you and stick with it. Your own insides can provide the best map to what you need.