When you talk about past lives it means a place where things happened in the very depths of your Soul – not remembered in ordinary life but nevertheless very real from the Soul’s point of view. Remember We are looking from Time and Space (Earth). Now you and (N) are Enlightened it means that you can choose not to be bothered with the times past to affect you. But not so with the ordinary mortal, it can really affect them to the point where lives can totally be ‘destroyed’ by their time before not addressed.
It was right (M) to look at your memories of your brother in this life , to find out why it should be. You have now healed – and past hurts which have in turn, healed many lifetimes in your regressions.
Interestingly Past Life Regression Therapy was something destined for you (M) but definitely this new venture has far superseded those plans.